209215500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{10729}}^1$

素因数の和:10764

約数の個数: 96

約数和(自身を含む): 656160960

約数和(自身を除く): 446945460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1300, 1500, 1625, 1950, 3250, 3900, 4875, 6500, 9750, 10729, 19500, 21458, 32187, 42916, 53645, 64374, 107290, 128748, 139477, 160935, 214580, 268225, 278954, 321870, 418431, 536450, 557908, 643740, 697385, 804675, 836862, 1072900, 1341125, 1394770, 1609350, 1673724, 2092155, 2682250, 2789540, 3218700, 3486925, 4023375, 4184310, 5364500, 6973850, 8046750, 8368620, 10460775, 13947700, 16093500, 17434625, 20921550, 34869250, 41843100, 52303875, 69738500, 104607750, 209215500]

約数ペア:

[(1, 209215500), (2, 104607750), (3, 69738500), (4, 52303875), (5, 41843100), (6, 34869250), (10, 20921550), (12, 17434625), (13, 16093500), (15, 13947700), (20, 10460775), (25, 8368620), (26, 8046750), (30, 6973850), (39, 5364500), (50, 4184310), (52, 4023375), (60, 3486925), (65, 3218700), (75, 2789540), (78, 2682250), (100, 2092155), (125, 1673724), (130, 1609350), (150, 1394770), (156, 1341125), (195, 1072900), (250, 836862), (260, 804675), (300, 697385), (325, 643740), (375, 557908), (390, 536450), (500, 418431), (650, 321870), (750, 278954), (780, 268225), (975, 214580), (1300, 160935), (1500, 139477), (1625, 128748), (1950, 107290), (3250, 64374), (3900, 53645), (4875, 42916), (6500, 32187), (9750, 21458), (10729, 19500)]