20170291700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{971}}^1$

素因数の和:1075

約数の個数: 216

約数和(自身を含む): 51440145120

約数和(自身を除く): 31269853420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 29, 38, 50, 52, 58, 65, 76, 95, 100, 116, 130, 145, 190, 247, 260, 290, 325, 377, 380, 475, 494, 551, 580, 650, 725, 754, 841, 950, 971, 988, 1102, 1235, 1300, 1450, 1508, 1682, 1885, 1900, 1942, 2204, 2470, 2755, 2900, 3364, 3770, 3884, 4205, 4855, 4940, 5510, 6175, 7163, 7540, 8410, 9425, 9710, 10933, 11020, 12350, 12623, 13775, 14326, 15979, 16820, 18449, 18850, 19420, 21025, 21866, 24275, 24700, 25246, 27550, 28159, 28652, 31958, 35815, 36898, 37700, 42050, 43732, 48550, 50492, 54665, 55100, 56318, 63115, 63916, 71630, 73796, 79895, 84100, 92245, 97100, 109330, 112636, 126230, 140795, 143260, 159790, 179075, 184490, 207727, 218660, 239837, 252460, 273325, 281590, 315575, 319580, 358150, 366067, 368980, 399475, 415454, 461225, 479674, 535021, 546650, 563180, 631150, 703975, 716300, 732134, 798950, 816611, 830908, 922450, 959348, 1038635, 1070042, 1093300, 1199185, 1262300, 1407950, 1464268, 1597900, 1633222, 1830335, 1844900, 2077270, 2140084, 2398370, 2675105, 2815900, 3266444, 3660670, 4083055, 4154540, 4796740, 5193175, 5350210, 5995925, 6955273, 7321340, 8166110, 9151675, 10386350, 10615943, 10700420, 11991850, 13375525, 13910546, 15515609, 16332220, 18303350, 20415275, 20772700, 21231886, 23983700, 26751050, 27821092, 31031218, 34776365, 36606700, 40830550, 42463772, 53079715, 53502100, 62062436, 69552730, 77578045, 81661100, 106159430, 139105460, 155156090, 173881825, 201702917, 212318860, 265398575, 310312180, 347763650, 387890225, 403405834, 530797150, 695527300, 775780450, 806811668, 1008514585, 1061594300, 1551560900, 2017029170, 4034058340, 5042572925, 10085145850, 20170291700]

約数ペア:

[(1, 20170291700), (2, 10085145850), (4, 5042572925), (5, 4034058340), (10, 2017029170), (13, 1551560900), (19, 1061594300), (20, 1008514585), (25, 806811668), (26, 775780450), (29, 695527300), (38, 530797150), (50, 403405834), (52, 387890225), (58, 347763650), (65, 310312180), (76, 265398575), (95, 212318860), (100, 201702917), (116, 173881825), (130, 155156090), (145, 139105460), (190, 106159430), (247, 81661100), (260, 77578045), (290, 69552730), (325, 62062436), (377, 53502100), (380, 53079715), (475, 42463772), (494, 40830550), (551, 36606700), (580, 34776365), (650, 31031218), (725, 27821092), (754, 26751050), (841, 23983700), (950, 21231886), (971, 20772700), (988, 20415275), (1102, 18303350), (1235, 16332220), (1300, 15515609), (1450, 13910546), (1508, 13375525), (1682, 11991850), (1885, 10700420), (1900, 10615943), (1942, 10386350), (2204, 9151675), (2470, 8166110), (2755, 7321340), (2900, 6955273), (3364, 5995925), (3770, 5350210), (3884, 5193175), (4205, 4796740), (4855, 4154540), (4940, 4083055), (5510, 3660670), (6175, 3266444), (7163, 2815900), (7540, 2675105), (8410, 2398370), (9425, 2140084), (9710, 2077270), (10933, 1844900), (11020, 1830335), (12350, 1633222), (12623, 1597900), (13775, 1464268), (14326, 1407950), (15979, 1262300), (16820, 1199185), (18449, 1093300), (18850, 1070042), (19420, 1038635), (21025, 959348), (21866, 922450), (24275, 830908), (24700, 816611), (25246, 798950), (27550, 732134), (28159, 716300), (28652, 703975), (31958, 631150), (35815, 563180), (36898, 546650), (37700, 535021), (42050, 479674), (43732, 461225), (48550, 415454), (50492, 399475), (54665, 368980), (55100, 366067), (56318, 358150), (63115, 319580), (63916, 315575), (71630, 281590), (73796, 273325), (79895, 252460), (84100, 239837), (92245, 218660), (97100, 207727), (109330, 184490), (112636, 179075), (126230, 159790), (140795, 143260)]