187388920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 433084320

約数和(自身を除く): 245695400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 157, 212, 265, 314, 424, 530, 563, 628, 785, 1060, 1126, 1256, 1570, 2120, 2252, 2815, 3140, 4504, 5630, 6280, 8321, 11260, 16642, 22520, 29839, 33284, 41605, 59678, 66568, 83210, 88391, 119356, 149195, 166420, 176782, 238712, 298390, 332840, 353564, 441955, 596780, 707128, 883910, 1193560, 1767820, 3535640, 4684723, 9369446, 18738892, 23423615, 37477784, 46847230, 93694460, 187388920]

約数ペア:

[(1, 187388920), (2, 93694460), (4, 46847230), (5, 37477784), (8, 23423615), (10, 18738892), (20, 9369446), (40, 4684723), (53, 3535640), (106, 1767820), (157, 1193560), (212, 883910), (265, 707128), (314, 596780), (424, 441955), (530, 353564), (563, 332840), (628, 298390), (785, 238712), (1060, 176782), (1126, 166420), (1256, 149195), (1570, 119356), (2120, 88391), (2252, 83210), (2815, 66568), (3140, 59678), (4504, 41605), (5630, 33284), (6280, 29839), (8321, 22520), (11260, 16642)]