197846960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79777}}^1$

素因数の和:79821

約数の個数: 40

約数和(自身を含む): 474838656

約数和(自身を除く): 276991696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79777, 159554, 319108, 398885, 638216, 797770, 1276432, 1595540, 2473087, 3191080, 4946174, 6382160, 9892348, 12365435, 19784696, 24730870, 39569392, 49461740, 98923480, 197846960]

約数ペア:

[(1, 197846960), (2, 98923480), (4, 49461740), (5, 39569392), (8, 24730870), (10, 19784696), (16, 12365435), (20, 9892348), (31, 6382160), (40, 4946174), (62, 3191080), (80, 2473087), (124, 1595540), (155, 1276432), (248, 797770), (310, 638216), (496, 398885), (620, 319108), (1240, 159554), (2480, 79777)]