1298982520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{3461}}^1$

素因数の和:4336

約数の個数: 64

約数和(自身を含む): 3193071840

約数和(自身を除く): 1894089320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 853, 1706, 3412, 3461, 4265, 6824, 6922, 8530, 9383, 13844, 17060, 17305, 18766, 27688, 34120, 34610, 37532, 38071, 46915, 69220, 75064, 76142, 93830, 138440, 152284, 187660, 190355, 304568, 375320, 380710, 761420, 1522840, 2952233, 5904466, 11808932, 14761165, 23617864, 29522330, 32474563, 59044660, 64949126, 118089320, 129898252, 162372815, 259796504, 324745630, 649491260, 1298982520]

約数ペア:

[(1, 1298982520), (2, 649491260), (4, 324745630), (5, 259796504), (8, 162372815), (10, 129898252), (11, 118089320), (20, 64949126), (22, 59044660), (40, 32474563), (44, 29522330), (55, 23617864), (88, 14761165), (110, 11808932), (220, 5904466), (440, 2952233), (853, 1522840), (1706, 761420), (3412, 380710), (3461, 375320), (4265, 304568), (6824, 190355), (6922, 187660), (8530, 152284), (9383, 138440), (13844, 93830), (17060, 76142), (17305, 75064), (18766, 69220), (27688, 46915), (34120, 38071), (34610, 37532)]