140375360

素因数分解:

$2^6\times 5^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1$

素因数の和:1443

約数の個数: 56

約数和(自身を含む): 335356200

約数和(自身を除く): 194980840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449, 898, 977, 1796, 1954, 2245, 3592, 3908, 4490, 4885, 7184, 7816, 8980, 9770, 14368, 15632, 17960, 19540, 28736, 31264, 35920, 39080, 62528, 71840, 78160, 143680, 156320, 312640, 438673, 877346, 1754692, 2193365, 3509384, 4386730, 7018768, 8773460, 14037536, 17546920, 28075072, 35093840, 70187680, 140375360]

約数ペア:

[(1, 140375360), (2, 70187680), (4, 35093840), (5, 28075072), (8, 17546920), (10, 14037536), (16, 8773460), (20, 7018768), (32, 4386730), (40, 3509384), (64, 2193365), (80, 1754692), (160, 877346), (320, 438673), (449, 312640), (898, 156320), (977, 143680), (1796, 78160), (1954, 71840), (2245, 62528), (3592, 39080), (3908, 35920), (4490, 31264), (4885, 28736), (7184, 19540), (7816, 17960), (8980, 15632), (9770, 14368)]