28928900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:79

約数の個数: 216

約数和(自身を含む): 89535936

約数和(自身を除く): 60607036

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 25, 26, 28, 34, 35, 44, 50, 52, 55, 65, 68, 70, 77, 85, 91, 100, 110, 119, 130, 140, 143, 154, 170, 175, 182, 187, 220, 221, 238, 260, 275, 286, 289, 308, 325, 340, 350, 364, 374, 385, 425, 442, 455, 476, 550, 572, 578, 595, 650, 700, 715, 748, 770, 850, 884, 910, 935, 1001, 1100, 1105, 1156, 1190, 1300, 1309, 1430, 1445, 1540, 1547, 1700, 1820, 1870, 1925, 2002, 2023, 2210, 2275, 2380, 2431, 2618, 2860, 2890, 2975, 3094, 3179, 3575, 3740, 3757, 3850, 4004, 4046, 4420, 4550, 4675, 4862, 5005, 5236, 5525, 5780, 5950, 6188, 6358, 6545, 7150, 7225, 7514, 7700, 7735, 8092, 9100, 9350, 9724, 10010, 10115, 11050, 11900, 12155, 12716, 13090, 14300, 14450, 15028, 15470, 15895, 17017, 18700, 18785, 20020, 20230, 22100, 22253, 24310, 25025, 26180, 26299, 28900, 30940, 31790, 32725, 34034, 37570, 38675, 40460, 41327, 44506, 48620, 50050, 50575, 52598, 60775, 63580, 65450, 68068, 75140, 77350, 79475, 82654, 85085, 89012, 93925, 100100, 101150, 105196, 111265, 121550, 130900, 131495, 154700, 158950, 165308, 170170, 187850, 202300, 206635, 222530, 243100, 262990, 289289, 317900, 340340, 375700, 413270, 425425, 445060, 525980, 556325, 578578, 657475, 826540, 850850, 1033175, 1112650, 1157156, 1314950, 1446445, 1701700, 2066350, 2225300, 2629900, 2892890, 4132700, 5785780, 7232225, 14464450, 28928900]

約数ペア:

[(1, 28928900), (2, 14464450), (4, 7232225), (5, 5785780), (7, 4132700), (10, 2892890), (11, 2629900), (13, 2225300), (14, 2066350), (17, 1701700), (20, 1446445), (22, 1314950), (25, 1157156), (26, 1112650), (28, 1033175), (34, 850850), (35, 826540), (44, 657475), (50, 578578), (52, 556325), (55, 525980), (65, 445060), (68, 425425), (70, 413270), (77, 375700), (85, 340340), (91, 317900), (100, 289289), (110, 262990), (119, 243100), (130, 222530), (140, 206635), (143, 202300), (154, 187850), (170, 170170), (175, 165308), (182, 158950), (187, 154700), (220, 131495), (221, 130900), (238, 121550), (260, 111265), (275, 105196), (286, 101150), (289, 100100), (308, 93925), (325, 89012), (340, 85085), (350, 82654), (364, 79475), (374, 77350), (385, 75140), (425, 68068), (442, 65450), (455, 63580), (476, 60775), (550, 52598), (572, 50575), (578, 50050), (595, 48620), (650, 44506), (700, 41327), (715, 40460), (748, 38675), (770, 37570), (850, 34034), (884, 32725), (910, 31790), (935, 30940), (1001, 28900), (1100, 26299), (1105, 26180), (1156, 25025), (1190, 24310), (1300, 22253), (1309, 22100), (1430, 20230), (1445, 20020), (1540, 18785), (1547, 18700), (1700, 17017), (1820, 15895), (1870, 15470), (1925, 15028), (2002, 14450), (2023, 14300), (2210, 13090), (2275, 12716), (2380, 12155), (2431, 11900), (2618, 11050), (2860, 10115), (2890, 10010), (2975, 9724), (3094, 9350), (3179, 9100), (3575, 8092), (3740, 7735), (3757, 7700), (3850, 7514), (4004, 7225), (4046, 7150), (4420, 6545), (4550, 6358), (4675, 6188), (4862, 5950), (5005, 5780), (5236, 5525)]