313614580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 670743360

約数和(自身を除く): 357128780

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 278, 388, 485, 556, 695, 970, 1163, 1390, 1940, 2326, 2780, 4652, 5815, 11630, 13483, 23260, 26966, 53932, 67415, 112811, 134830, 161657, 225622, 269660, 323314, 451244, 564055, 646628, 808285, 1128110, 1616570, 2256220, 3233140, 15680729, 31361458, 62722916, 78403645, 156807290, 313614580]

約数ペア:

[(1, 313614580), (2, 156807290), (4, 78403645), (5, 62722916), (10, 31361458), (20, 15680729), (97, 3233140), (139, 2256220), (194, 1616570), (278, 1128110), (388, 808285), (485, 646628), (556, 564055), (695, 451244), (970, 323314), (1163, 269660), (1390, 225622), (1940, 161657), (2326, 134830), (2780, 112811), (4652, 67415), (5815, 53932), (11630, 26966), (13483, 23260)]