251049920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1078

約数の個数: 112

約数和(自身を含む): 661769568

約数和(自身を除く): 410719648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 146, 160, 176, 220, 292, 320, 352, 365, 440, 584, 704, 730, 803, 880, 977, 1168, 1460, 1606, 1760, 1954, 2336, 2920, 3212, 3520, 3908, 4015, 4672, 4885, 5840, 6424, 7816, 8030, 9770, 10747, 11680, 12848, 15632, 16060, 19540, 21494, 23360, 25696, 31264, 32120, 39080, 42988, 51392, 53735, 62528, 64240, 71321, 78160, 85976, 107470, 128480, 142642, 156320, 171952, 214940, 256960, 285284, 312640, 343904, 356605, 429880, 570568, 687808, 713210, 784531, 859760, 1141136, 1426420, 1569062, 1719520, 2282272, 2852840, 3138124, 3439040, 3922655, 4564544, 5705680, 6276248, 7845310, 11411360, 12552496, 15690620, 22822720, 25104992, 31381240, 50209984, 62762480, 125524960, 251049920]

約数ペア:

[(1, 251049920), (2, 125524960), (4, 62762480), (5, 50209984), (8, 31381240), (10, 25104992), (11, 22822720), (16, 15690620), (20, 12552496), (22, 11411360), (32, 7845310), (40, 6276248), (44, 5705680), (55, 4564544), (64, 3922655), (73, 3439040), (80, 3138124), (88, 2852840), (110, 2282272), (146, 1719520), (160, 1569062), (176, 1426420), (220, 1141136), (292, 859760), (320, 784531), (352, 713210), (365, 687808), (440, 570568), (584, 429880), (704, 356605), (730, 343904), (803, 312640), (880, 285284), (977, 256960), (1168, 214940), (1460, 171952), (1606, 156320), (1760, 142642), (1954, 128480), (2336, 107470), (2920, 85976), (3212, 78160), (3520, 71321), (3908, 64240), (4015, 62528), (4672, 53735), (4885, 51392), (5840, 42988), (6424, 39080), (7816, 32120), (8030, 31264), (9770, 25696), (10747, 23360), (11680, 21494), (12848, 19540), (15632, 16060)]