221039640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{613999}}^1$

素因数の和:614016

約数の個数: 48

約数和(自身を含む): 718380000

約数和(自身を除く): 497340360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 613999, 1227998, 1841997, 2455996, 3069995, 3683994, 4911992, 5525991, 6139990, 7367988, 9209985, 11051982, 12279980, 14735976, 18419970, 22103964, 24559960, 27629955, 36839940, 44207928, 55259910, 73679880, 110519820, 221039640]

約数ペア:

[(1, 221039640), (2, 110519820), (3, 73679880), (4, 55259910), (5, 44207928), (6, 36839940), (8, 27629955), (9, 24559960), (10, 22103964), (12, 18419970), (15, 14735976), (18, 12279980), (20, 11051982), (24, 9209985), (30, 7367988), (36, 6139990), (40, 5525991), (45, 4911992), (60, 3683994), (72, 3069995), (90, 2455996), (120, 1841997), (180, 1227998), (360, 613999)]