251260480

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11059}}^1$

素因数の和:11147

約数の個数: 56

約数和(自身を含む): 606795840

約数和(自身を除く): 355535360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11059, 11360, 22118, 22720, 44236, 55295, 88472, 110590, 176944, 221180, 353888, 442360, 707776, 785189, 884720, 1570378, 1769440, 3140756, 3538880, 3925945, 6281512, 7851890, 12563024, 15703780, 25126048, 31407560, 50252096, 62815120, 125630240, 251260480]

約数ペア:

[(1, 251260480), (2, 125630240), (4, 62815120), (5, 50252096), (8, 31407560), (10, 25126048), (16, 15703780), (20, 12563024), (32, 7851890), (40, 6281512), (64, 3925945), (71, 3538880), (80, 3140756), (142, 1769440), (160, 1570378), (284, 884720), (320, 785189), (355, 707776), (568, 442360), (710, 353888), (1136, 221180), (1420, 176944), (2272, 110590), (2840, 88472), (4544, 55295), (5680, 44236), (11059, 22720), (11360, 22118)]