689144260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1781

約数の個数: 96

約数和(自身を含む): 1725954048

約数和(自身を除く): 1036809788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 97, 124, 140, 155, 194, 217, 310, 388, 434, 485, 620, 679, 868, 970, 1085, 1358, 1637, 1940, 2170, 2716, 3007, 3274, 3395, 4340, 6014, 6548, 6790, 8185, 11459, 12028, 13580, 15035, 16370, 21049, 22918, 30070, 32740, 42098, 45836, 50747, 57295, 60140, 84196, 101494, 105245, 114590, 158789, 202988, 210490, 229180, 253735, 317578, 355229, 420980, 507470, 635156, 710458, 793945, 1014940, 1111523, 1420916, 1587890, 1776145, 2223046, 3175780, 3552290, 4446092, 4922459, 5557615, 7104580, 9844918, 11115230, 19689836, 22230460, 24612295, 34457213, 49224590, 68914426, 98449180, 137828852, 172286065, 344572130, 689144260]

約数ペア:

[(1, 689144260), (2, 344572130), (4, 172286065), (5, 137828852), (7, 98449180), (10, 68914426), (14, 49224590), (20, 34457213), (28, 24612295), (31, 22230460), (35, 19689836), (62, 11115230), (70, 9844918), (97, 7104580), (124, 5557615), (140, 4922459), (155, 4446092), (194, 3552290), (217, 3175780), (310, 2223046), (388, 1776145), (434, 1587890), (485, 1420916), (620, 1111523), (679, 1014940), (868, 793945), (970, 710458), (1085, 635156), (1358, 507470), (1637, 420980), (1940, 355229), (2170, 317578), (2716, 253735), (3007, 229180), (3274, 210490), (3395, 202988), (4340, 158789), (6014, 114590), (6548, 105245), (6790, 101494), (8185, 84196), (11459, 60140), (12028, 57295), (13580, 50747), (15035, 45836), (16370, 42098), (21049, 32740), (22918, 30070)]