198404550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5581}}^1$

素因数の和:5678

約数の個数: 72

約数和(自身を含む): 539891040

約数和(自身を除く): 341486490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 79, 90, 150, 158, 225, 237, 395, 450, 474, 711, 790, 1185, 1422, 1975, 2370, 3555, 3950, 5581, 5925, 7110, 11162, 11850, 16743, 17775, 27905, 33486, 35550, 50229, 55810, 83715, 100458, 139525, 167430, 251145, 279050, 418575, 440899, 502290, 837150, 881798, 1255725, 1322697, 2204495, 2511450, 2645394, 3968091, 4408990, 6613485, 7936182, 11022475, 13226970, 19840455, 22044950, 33067425, 39680910, 66134850, 99202275, 198404550]

約数ペア:

[(1, 198404550), (2, 99202275), (3, 66134850), (5, 39680910), (6, 33067425), (9, 22044950), (10, 19840455), (15, 13226970), (18, 11022475), (25, 7936182), (30, 6613485), (45, 4408990), (50, 3968091), (75, 2645394), (79, 2511450), (90, 2204495), (150, 1322697), (158, 1255725), (225, 881798), (237, 837150), (395, 502290), (450, 440899), (474, 418575), (711, 279050), (790, 251145), (1185, 167430), (1422, 139525), (1975, 100458), (2370, 83715), (3555, 55810), (3950, 50229), (5581, 35550), (5925, 33486), (7110, 27905), (11162, 17775), (11850, 16743)]