491353740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12241}}^1$

素因数の和:12479

約数の個数: 72

約数和(自身を含む): 1497245568

約数和(自身を除く): 1005891828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 12241, 13380, 20070, 24482, 36723, 40140, 48964, 61205, 73446, 110169, 122410, 146892, 183615, 220338, 244820, 367230, 440676, 550845, 734460, 1101690, 2203380, 2729743, 5459486, 8189229, 10918972, 13648715, 16378458, 24567687, 27297430, 32756916, 40946145, 49135374, 54594860, 81892290, 98270748, 122838435, 163784580, 245676870, 491353740]

約数ペア:

[(1, 491353740), (2, 245676870), (3, 163784580), (4, 122838435), (5, 98270748), (6, 81892290), (9, 54594860), (10, 49135374), (12, 40946145), (15, 32756916), (18, 27297430), (20, 24567687), (30, 16378458), (36, 13648715), (45, 10918972), (60, 8189229), (90, 5459486), (180, 2729743), (223, 2203380), (446, 1101690), (669, 734460), (892, 550845), (1115, 440676), (1338, 367230), (2007, 244820), (2230, 220338), (2676, 183615), (3345, 146892), (4014, 122410), (4460, 110169), (6690, 73446), (8028, 61205), (10035, 48964), (12241, 40140), (13380, 36723), (20070, 24482)]