220185980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 551456640

約数和(自身を除く): 331270660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 193, 203, 281, 290, 386, 406, 562, 580, 772, 812, 965, 1015, 1124, 1351, 1405, 1930, 1967, 2030, 2702, 2810, 3860, 3934, 4060, 5404, 5597, 5620, 6755, 7868, 8149, 9835, 11194, 13510, 16298, 19670, 22388, 27020, 27985, 32596, 39179, 39340, 40745, 54233, 55970, 57043, 78358, 81490, 108466, 111940, 114086, 156716, 162980, 195895, 216932, 228172, 271165, 285215, 379631, 391790, 542330, 570430, 759262, 783580, 1084660, 1140860, 1518524, 1572757, 1898155, 3145514, 3796310, 6291028, 7592620, 7863785, 11009299, 15727570, 22018598, 31455140, 44037196, 55046495, 110092990, 220185980]

約数ペア:

[(1, 220185980), (2, 110092990), (4, 55046495), (5, 44037196), (7, 31455140), (10, 22018598), (14, 15727570), (20, 11009299), (28, 7863785), (29, 7592620), (35, 6291028), (58, 3796310), (70, 3145514), (116, 1898155), (140, 1572757), (145, 1518524), (193, 1140860), (203, 1084660), (281, 783580), (290, 759262), (386, 570430), (406, 542330), (562, 391790), (580, 379631), (772, 285215), (812, 271165), (965, 228172), (1015, 216932), (1124, 195895), (1351, 162980), (1405, 156716), (1930, 114086), (1967, 111940), (2030, 108466), (2702, 81490), (2810, 78358), (3860, 57043), (3934, 55970), (4060, 54233), (5404, 40745), (5597, 39340), (5620, 39179), (6755, 32596), (7868, 27985), (8149, 27020), (9835, 22388), (11194, 19670), (13510, 16298)]