385359760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{155387}}^1$

素因数の和:155431

約数の個数: 40

約数和(自身を含む): 924869376

約数和(自身を除く): 539509616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 155387, 310774, 621548, 776935, 1243096, 1553870, 2486192, 3107740, 4816997, 6215480, 9633994, 12430960, 19267988, 24084985, 38535976, 48169970, 77071952, 96339940, 192679880, 385359760]

約数ペア:

[(1, 385359760), (2, 192679880), (4, 96339940), (5, 77071952), (8, 48169970), (10, 38535976), (16, 24084985), (20, 19267988), (31, 12430960), (40, 9633994), (62, 6215480), (80, 4816997), (124, 3107740), (155, 2486192), (248, 1553870), (310, 1243096), (496, 776935), (620, 621548), (1240, 310774), (2480, 155387)]