2012900540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2391

約数の個数: 96

約数和(自身を含む): 4954400640

約数和(自身を除く): 2941500100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 89, 140, 146, 178, 292, 356, 365, 445, 511, 623, 730, 890, 1022, 1246, 1460, 1780, 2044, 2213, 2492, 2555, 3115, 4426, 5110, 6230, 6497, 8852, 10220, 11065, 12460, 12994, 15491, 22130, 25988, 30982, 32485, 44260, 45479, 61964, 64970, 77455, 90958, 129940, 154910, 161549, 181916, 196957, 227395, 309820, 323098, 393914, 454790, 646196, 787828, 807745, 909580, 984785, 1130843, 1378699, 1615490, 1969570, 2261686, 2757398, 3230980, 3939140, 4523372, 5514796, 5654215, 6893495, 11308430, 13786990, 14377861, 22616860, 27573980, 28755722, 57511444, 71889305, 100645027, 143778610, 201290054, 287557220, 402580108, 503225135, 1006450270, 2012900540]

約数ペア:

[(1, 2012900540), (2, 1006450270), (4, 503225135), (5, 402580108), (7, 287557220), (10, 201290054), (14, 143778610), (20, 100645027), (28, 71889305), (35, 57511444), (70, 28755722), (73, 27573980), (89, 22616860), (140, 14377861), (146, 13786990), (178, 11308430), (292, 6893495), (356, 5654215), (365, 5514796), (445, 4523372), (511, 3939140), (623, 3230980), (730, 2757398), (890, 2261686), (1022, 1969570), (1246, 1615490), (1460, 1378699), (1780, 1130843), (2044, 984785), (2213, 909580), (2492, 807745), (2555, 787828), (3115, 646196), (4426, 454790), (5110, 393914), (6230, 323098), (6497, 309820), (8852, 227395), (10220, 196957), (11065, 181916), (12460, 161549), (12994, 154910), (15491, 129940), (22130, 90958), (25988, 77455), (30982, 64970), (32485, 61964), (44260, 45479)]