195221840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1548

約数の個数: 80

約数和(自身を含む): 498557376

約数和(自身を除く): 303335536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1361, 1630, 1793, 2608, 2722, 3260, 3586, 5444, 6520, 6805, 7172, 8965, 10888, 13040, 13610, 14344, 14971, 17930, 21776, 27220, 28688, 29942, 35860, 54440, 59884, 71720, 74855, 108880, 119768, 143440, 149710, 221843, 239536, 299420, 443686, 598840, 887372, 1109215, 1197680, 1774744, 2218430, 2440273, 3549488, 4436860, 4880546, 8873720, 9761092, 12201365, 17747440, 19522184, 24402730, 39044368, 48805460, 97610920, 195221840]

約数ペア:

[(1, 195221840), (2, 97610920), (4, 48805460), (5, 39044368), (8, 24402730), (10, 19522184), (11, 17747440), (16, 12201365), (20, 9761092), (22, 8873720), (40, 4880546), (44, 4436860), (55, 3549488), (80, 2440273), (88, 2218430), (110, 1774744), (163, 1197680), (176, 1109215), (220, 887372), (326, 598840), (440, 443686), (652, 299420), (815, 239536), (880, 221843), (1304, 149710), (1361, 143440), (1630, 119768), (1793, 108880), (2608, 74855), (2722, 71720), (3260, 59884), (3586, 54440), (5444, 35860), (6520, 29942), (6805, 28688), (7172, 27220), (8965, 21776), (10888, 17930), (13040, 14971), (13610, 14344)]