490969614

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2245

約数の個数: 64

約数和(自身を含む): 1080668160

約数和(自身を除く): 589698546

約数列:

[1, 2, 3, 6, 19, 38, 43, 47, 57, 86, 94, 114, 129, 141, 258, 282, 817, 893, 1634, 1786, 2021, 2131, 2451, 2679, 4042, 4262, 4902, 5358, 6063, 6393, 12126, 12786, 38399, 40489, 76798, 80978, 91633, 100157, 115197, 121467, 183266, 200314, 230394, 242934, 274899, 300471, 549798, 600942, 1741027, 1902983, 3482054, 3805966, 4306751, 5223081, 5708949, 8613502, 10446162, 11417898, 12920253, 25840506, 81828269, 163656538, 245484807, 490969614]

約数ペア:

[(1, 490969614), (2, 245484807), (3, 163656538), (6, 81828269), (19, 25840506), (38, 12920253), (43, 11417898), (47, 10446162), (57, 8613502), (86, 5708949), (94, 5223081), (114, 4306751), (129, 3805966), (141, 3482054), (258, 1902983), (282, 1741027), (817, 600942), (893, 549798), (1634, 300471), (1786, 274899), (2021, 242934), (2131, 230394), (2451, 200314), (2679, 183266), (4042, 121467), (4262, 115197), (4902, 100157), (5358, 91633), (6063, 80978), (6393, 76798), (12126, 40489), (12786, 38399)]