217917700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 216

約数和(自身を含む): 648333504

約数和(自身を除く): 430415804

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 49, 50, 52, 55, 65, 70, 77, 91, 98, 100, 110, 130, 140, 143, 154, 175, 182, 196, 220, 245, 260, 275, 286, 308, 311, 325, 350, 364, 385, 455, 490, 539, 550, 572, 622, 637, 650, 700, 715, 770, 910, 980, 1001, 1078, 1100, 1225, 1244, 1274, 1300, 1430, 1540, 1555, 1820, 1925, 2002, 2156, 2177, 2275, 2450, 2548, 2695, 2860, 3110, 3185, 3421, 3575, 3850, 4004, 4043, 4354, 4550, 4900, 5005, 5390, 6220, 6370, 6842, 7007, 7150, 7700, 7775, 8086, 8708, 9100, 10010, 10780, 10885, 12740, 13475, 13684, 14014, 14300, 15239, 15550, 15925, 16172, 17105, 20020, 20215, 21770, 23947, 25025, 26950, 28028, 28301, 30478, 31100, 31850, 34210, 35035, 40430, 43540, 44473, 47894, 50050, 53900, 54425, 56602, 60956, 63700, 68420, 70070, 76195, 80860, 85525, 88946, 95788, 100100, 101075, 108850, 113204, 119735, 140140, 141505, 152390, 167629, 171050, 175175, 177892, 198107, 202150, 217700, 222365, 239470, 283010, 304780, 311311, 335258, 342100, 350350, 380975, 396214, 404300, 444730, 478940, 566020, 598675, 622622, 670516, 700700, 707525, 761950, 792428, 838145, 889460, 990535, 1111825, 1197350, 1245244, 1415050, 1523900, 1556555, 1676290, 1981070, 2179177, 2223650, 2394700, 2830100, 3113110, 3352580, 3962140, 4190725, 4358354, 4447300, 4952675, 6226220, 7782775, 8381450, 8716708, 9905350, 10895885, 15565550, 16762900, 19810700, 21791770, 31131100, 43583540, 54479425, 108958850, 217917700]

約数ペア:

[(1, 217917700), (2, 108958850), (4, 54479425), (5, 43583540), (7, 31131100), (10, 21791770), (11, 19810700), (13, 16762900), (14, 15565550), (20, 10895885), (22, 9905350), (25, 8716708), (26, 8381450), (28, 7782775), (35, 6226220), (44, 4952675), (49, 4447300), (50, 4358354), (52, 4190725), (55, 3962140), (65, 3352580), (70, 3113110), (77, 2830100), (91, 2394700), (98, 2223650), (100, 2179177), (110, 1981070), (130, 1676290), (140, 1556555), (143, 1523900), (154, 1415050), (175, 1245244), (182, 1197350), (196, 1111825), (220, 990535), (245, 889460), (260, 838145), (275, 792428), (286, 761950), (308, 707525), (311, 700700), (325, 670516), (350, 622622), (364, 598675), (385, 566020), (455, 478940), (490, 444730), (539, 404300), (550, 396214), (572, 380975), (622, 350350), (637, 342100), (650, 335258), (700, 311311), (715, 304780), (770, 283010), (910, 239470), (980, 222365), (1001, 217700), (1078, 202150), (1100, 198107), (1225, 177892), (1244, 175175), (1274, 171050), (1300, 167629), (1430, 152390), (1540, 141505), (1555, 140140), (1820, 119735), (1925, 113204), (2002, 108850), (2156, 101075), (2177, 100100), (2275, 95788), (2450, 88946), (2548, 85525), (2695, 80860), (2860, 76195), (3110, 70070), (3185, 68420), (3421, 63700), (3575, 60956), (3850, 56602), (4004, 54425), (4043, 53900), (4354, 50050), (4550, 47894), (4900, 44473), (5005, 43540), (5390, 40430), (6220, 35035), (6370, 34210), (6842, 31850), (7007, 31100), (7150, 30478), (7700, 28301), (7775, 28028), (8086, 26950), (8708, 25025), (9100, 23947), (10010, 21770), (10780, 20215), (10885, 20020), (12740, 17105), (13475, 16172), (13684, 15925), (14014, 15550), (14300, 15239)]