140447930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 299296512

約数和(自身を除く): 158848582

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 211, 257, 259, 370, 422, 514, 518, 1055, 1285, 1295, 1477, 1799, 2110, 2570, 2590, 2954, 3598, 7385, 7807, 8995, 9509, 14770, 15614, 17990, 19018, 39035, 47545, 54227, 54649, 66563, 78070, 95090, 108454, 109298, 133126, 271135, 273245, 332815, 379589, 542270, 546490, 665630, 759178, 1897945, 2006399, 3795890, 4012798, 10031995, 14044793, 20063990, 28089586, 70223965, 140447930]

約数ペア:

[(1, 140447930), (2, 70223965), (5, 28089586), (7, 20063990), (10, 14044793), (14, 10031995), (35, 4012798), (37, 3795890), (70, 2006399), (74, 1897945), (185, 759178), (211, 665630), (257, 546490), (259, 542270), (370, 379589), (422, 332815), (514, 273245), (518, 271135), (1055, 133126), (1285, 109298), (1295, 108454), (1477, 95090), (1799, 78070), (2110, 66563), (2570, 54649), (2590, 54227), (2954, 47545), (3598, 39035), (7385, 19018), (7807, 17990), (8995, 15614), (9509, 14770)]