387345340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{5783}}^1$

素因数の和:6006

約数の個数: 48

約数和(自身を含む): 865795392

約数和(自身を除く): 478450052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 3349, 3940, 5783, 6698, 11566, 13396, 16745, 23132, 28915, 33490, 57830, 66980, 98311, 115660, 196622, 393244, 491555, 983110, 1139251, 1966220, 2278502, 4557004, 5696255, 11392510, 19367267, 22785020, 38734534, 77469068, 96836335, 193672670, 387345340]

約数ペア:

[(1, 387345340), (2, 193672670), (4, 96836335), (5, 77469068), (10, 38734534), (17, 22785020), (20, 19367267), (34, 11392510), (68, 5696255), (85, 4557004), (170, 2278502), (197, 1966220), (340, 1139251), (394, 983110), (788, 491555), (985, 393244), (1970, 196622), (3349, 115660), (3940, 98311), (5783, 66980), (6698, 57830), (11566, 33490), (13396, 28915), (16745, 23132)]