70439750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 139276800

約数和(自身を除く): 68837050

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 125, 149, 155, 250, 298, 305, 310, 610, 745, 775, 1490, 1525, 1550, 1891, 3050, 3725, 3782, 3875, 4619, 7450, 7625, 7750, 9089, 9238, 9455, 15250, 18178, 18625, 18910, 23095, 37250, 45445, 46190, 47275, 90890, 94550, 115475, 227225, 230950, 236375, 281759, 454450, 472750, 563518, 577375, 1136125, 1154750, 1408795, 2272250, 2817590, 7043975, 14087950, 35219875, 70439750]

約数ペア:

[(1, 70439750), (2, 35219875), (5, 14087950), (10, 7043975), (25, 2817590), (31, 2272250), (50, 1408795), (61, 1154750), (62, 1136125), (122, 577375), (125, 563518), (149, 472750), (155, 454450), (250, 281759), (298, 236375), (305, 230950), (310, 227225), (610, 115475), (745, 94550), (775, 90890), (1490, 47275), (1525, 46190), (1550, 45445), (1891, 37250), (3050, 23095), (3725, 18910), (3782, 18625), (3875, 18178), (4619, 15250), (7450, 9455), (7625, 9238), (7750, 9089)]