388889730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139387}}^1$

素因数の和:139431

約数の個数: 48

約数和(自身を含む): 1043737344

約数和(自身を除く): 654847614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 139387, 278774, 418161, 696935, 836322, 1254483, 1393870, 2090805, 2508966, 4181610, 4320997, 6272415, 8641994, 12544830, 12962991, 21604985, 25925982, 38888973, 43209970, 64814955, 77777946, 129629910, 194444865, 388889730]

約数ペア:

[(1, 388889730), (2, 194444865), (3, 129629910), (5, 77777946), (6, 64814955), (9, 43209970), (10, 38888973), (15, 25925982), (18, 21604985), (30, 12962991), (31, 12544830), (45, 8641994), (62, 6272415), (90, 4320997), (93, 4181610), (155, 2508966), (186, 2090805), (279, 1393870), (310, 1254483), (465, 836322), (558, 696935), (930, 418161), (1395, 278774), (2790, 139387)]