397117100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4527

約数の個数: 72

約数和(自身を含む): 926607360

約数和(自身を除く): 529490260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1175, 1786, 1900, 2350, 3572, 4447, 4465, 4700, 8894, 8930, 17788, 17860, 22235, 22325, 44470, 44650, 84493, 88940, 89300, 111175, 168986, 209009, 222350, 337972, 418018, 422465, 444700, 836036, 844930, 1045045, 1689860, 2090090, 2112325, 3971171, 4180180, 4224650, 5225225, 7942342, 8449300, 10450450, 15884684, 19855855, 20900900, 39711710, 79423420, 99279275, 198558550, 397117100]

約数ペア:

[(1, 397117100), (2, 198558550), (4, 99279275), (5, 79423420), (10, 39711710), (19, 20900900), (20, 19855855), (25, 15884684), (38, 10450450), (47, 8449300), (50, 7942342), (76, 5225225), (94, 4224650), (95, 4180180), (100, 3971171), (188, 2112325), (190, 2090090), (235, 1689860), (380, 1045045), (470, 844930), (475, 836036), (893, 444700), (940, 422465), (950, 418018), (1175, 337972), (1786, 222350), (1900, 209009), (2350, 168986), (3572, 111175), (4447, 89300), (4465, 88940), (4700, 84493), (8894, 44650), (8930, 44470), (17788, 22325), (17860, 22235)]