90249940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 223171200

約数和(自身を除く): 132921260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 59, 68, 85, 110, 118, 170, 187, 220, 236, 295, 340, 374, 409, 590, 649, 748, 818, 935, 1003, 1180, 1298, 1636, 1870, 2006, 2045, 2596, 3245, 3740, 4012, 4090, 4499, 5015, 6490, 6953, 8180, 8998, 10030, 11033, 12980, 13906, 17996, 20060, 22066, 22495, 24131, 27812, 34765, 44132, 44990, 48262, 55165, 69530, 76483, 89980, 96524, 110330, 120655, 139060, 152966, 220660, 241310, 265441, 305932, 382415, 410227, 482620, 530882, 764830, 820454, 1061764, 1327205, 1529660, 1640908, 2051135, 2654410, 4102270, 4512497, 5308820, 8204540, 9024994, 18049988, 22562485, 45124970, 90249940]

約数ペア:

[(1, 90249940), (2, 45124970), (4, 22562485), (5, 18049988), (10, 9024994), (11, 8204540), (17, 5308820), (20, 4512497), (22, 4102270), (34, 2654410), (44, 2051135), (55, 1640908), (59, 1529660), (68, 1327205), (85, 1061764), (110, 820454), (118, 764830), (170, 530882), (187, 482620), (220, 410227), (236, 382415), (295, 305932), (340, 265441), (374, 241310), (409, 220660), (590, 152966), (649, 139060), (748, 120655), (818, 110330), (935, 96524), (1003, 89980), (1180, 76483), (1298, 69530), (1636, 55165), (1870, 48262), (2006, 44990), (2045, 44132), (2596, 34765), (3245, 27812), (3740, 24131), (4012, 22495), (4090, 22066), (4499, 20060), (5015, 17996), (6490, 13906), (6953, 12980), (8180, 11033), (8998, 10030)]