290420586

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 733593600

約数和(自身を除く): 443173014

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 31, 38, 46, 54, 57, 62, 69, 93, 114, 138, 171, 186, 207, 279, 342, 397, 414, 437, 513, 558, 589, 621, 713, 794, 837, 874, 1026, 1178, 1191, 1242, 1311, 1426, 1674, 1767, 2139, 2382, 2622, 3534, 3573, 3933, 4278, 5301, 6417, 7146, 7543, 7866, 9131, 10602, 10719, 11799, 12307, 12834, 13547, 15086, 15903, 18262, 19251, 21438, 22629, 23598, 24614, 27094, 27393, 31806, 36921, 38502, 40641, 45258, 54786, 67887, 73842, 81282, 82179, 110763, 121923, 135774, 164358, 173489, 203661, 221526, 233833, 243846, 246537, 283061, 332289, 346978, 365769, 407322, 467666, 493074, 520467, 566122, 664578, 701499, 731538, 849183, 1040934, 1402998, 1561401, 1698366, 2104497, 2547549, 3122802, 4208994, 4684203, 5095098, 5378159, 6313491, 7642647, 9368406, 10756318, 12626982, 15285294, 16134477, 32268954, 48403431, 96806862, 145210293, 290420586]

約数ペア:

[(1, 290420586), (2, 145210293), (3, 96806862), (6, 48403431), (9, 32268954), (18, 16134477), (19, 15285294), (23, 12626982), (27, 10756318), (31, 9368406), (38, 7642647), (46, 6313491), (54, 5378159), (57, 5095098), (62, 4684203), (69, 4208994), (93, 3122802), (114, 2547549), (138, 2104497), (171, 1698366), (186, 1561401), (207, 1402998), (279, 1040934), (342, 849183), (397, 731538), (414, 701499), (437, 664578), (513, 566122), (558, 520467), (589, 493074), (621, 467666), (713, 407322), (794, 365769), (837, 346978), (874, 332289), (1026, 283061), (1178, 246537), (1191, 243846), (1242, 233833), (1311, 221526), (1426, 203661), (1674, 173489), (1767, 164358), (2139, 135774), (2382, 121923), (2622, 110763), (3534, 82179), (3573, 81282), (3933, 73842), (4278, 67887), (5301, 54786), (6417, 45258), (7146, 40641), (7543, 38502), (7866, 36921), (9131, 31806), (10602, 27393), (10719, 27094), (11799, 24614), (12307, 23598), (12834, 22629), (13547, 21438), (15086, 19251), (15903, 18262)]