85387900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3503

約数の個数: 72

約数和(自身を含む): 210108080

約数和(自身を除く): 124720180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 3457, 4940, 6175, 6914, 12350, 13828, 17285, 24700, 34570, 44941, 65683, 69140, 86425, 89882, 131366, 172850, 179764, 224705, 262732, 328415, 345700, 449410, 656830, 853879, 898820, 1123525, 1313660, 1642075, 1707758, 2247050, 3284150, 3415516, 4269395, 4494100, 6568300, 8538790, 17077580, 21346975, 42693950, 85387900]

約数ペア:

[(1, 85387900), (2, 42693950), (4, 21346975), (5, 17077580), (10, 8538790), (13, 6568300), (19, 4494100), (20, 4269395), (25, 3415516), (26, 3284150), (38, 2247050), (50, 1707758), (52, 1642075), (65, 1313660), (76, 1123525), (95, 898820), (100, 853879), (130, 656830), (190, 449410), (247, 345700), (260, 328415), (325, 262732), (380, 224705), (475, 179764), (494, 172850), (650, 131366), (950, 89882), (988, 86425), (1235, 69140), (1300, 65683), (1900, 44941), (2470, 34570), (3457, 24700), (4940, 17285), (6175, 13828), (6914, 12350)]