664891250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:573

約数の個数: 80

約数和(自身を含む): 1342145376

約数和(自身を除く): 677254126

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 67, 85, 125, 134, 170, 250, 335, 425, 467, 625, 670, 850, 934, 1139, 1250, 1675, 2125, 2278, 2335, 3350, 4250, 4670, 5695, 7939, 8375, 10625, 11390, 11675, 15878, 16750, 21250, 23350, 28475, 31289, 39695, 41875, 56950, 58375, 62578, 79390, 83750, 116750, 142375, 156445, 198475, 284750, 291875, 312890, 396950, 531913, 583750, 711875, 782225, 992375, 1063826, 1423750, 1564450, 1984750, 2659565, 3911125, 4961875, 5319130, 7822250, 9923750, 13297825, 19555625, 26595650, 39111250, 66489125, 132978250, 332445625, 664891250]

約数ペア:

[(1, 664891250), (2, 332445625), (5, 132978250), (10, 66489125), (17, 39111250), (25, 26595650), (34, 19555625), (50, 13297825), (67, 9923750), (85, 7822250), (125, 5319130), (134, 4961875), (170, 3911125), (250, 2659565), (335, 1984750), (425, 1564450), (467, 1423750), (625, 1063826), (670, 992375), (850, 782225), (934, 711875), (1139, 583750), (1250, 531913), (1675, 396950), (2125, 312890), (2278, 291875), (2335, 284750), (3350, 198475), (4250, 156445), (4670, 142375), (5695, 116750), (7939, 83750), (8375, 79390), (10625, 62578), (11390, 58375), (11675, 56950), (15878, 41875), (16750, 39695), (21250, 31289), (23350, 28475)]