204315280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2864

約数の個数: 80

約数和(自身を含む): 518966784

約数和(自身を除く): 314651504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2767, 2840, 3692, 4615, 5534, 5680, 7384, 9230, 11068, 13835, 14768, 18460, 22136, 27670, 35971, 36920, 44272, 55340, 71942, 73840, 110680, 143884, 179855, 196457, 221360, 287768, 359710, 392914, 575536, 719420, 785828, 982285, 1438840, 1571656, 1964570, 2553941, 2877680, 3143312, 3929140, 5107882, 7858280, 10215764, 12769705, 15716560, 20431528, 25539410, 40863056, 51078820, 102157640, 204315280]

約数ペア:

[(1, 204315280), (2, 102157640), (4, 51078820), (5, 40863056), (8, 25539410), (10, 20431528), (13, 15716560), (16, 12769705), (20, 10215764), (26, 7858280), (40, 5107882), (52, 3929140), (65, 3143312), (71, 2877680), (80, 2553941), (104, 1964570), (130, 1571656), (142, 1438840), (208, 982285), (260, 785828), (284, 719420), (355, 575536), (520, 392914), (568, 359710), (710, 287768), (923, 221360), (1040, 196457), (1136, 179855), (1420, 143884), (1846, 110680), (2767, 73840), (2840, 71942), (3692, 55340), (4615, 44272), (5534, 36920), (5680, 35971), (7384, 27670), (9230, 22136), (11068, 18460), (13835, 14768)]