209848408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 538099200

約数和(自身を除く): 328250792

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 29, 34, 44, 56, 58, 68, 77, 88, 116, 119, 136, 154, 187, 203, 232, 238, 308, 319, 374, 406, 476, 493, 616, 638, 691, 748, 812, 952, 986, 1276, 1309, 1382, 1496, 1624, 1972, 2233, 2552, 2618, 2764, 3451, 3944, 4466, 4837, 5236, 5423, 5528, 6902, 7601, 8932, 9674, 10472, 10846, 11747, 13804, 15202, 17864, 19348, 20039, 21692, 23494, 27608, 30404, 37961, 38696, 40078, 43384, 46988, 53207, 60808, 75922, 80156, 82229, 93976, 106414, 129217, 140273, 151844, 160312, 164458, 212828, 220429, 258434, 280546, 303688, 328916, 340663, 425656, 440858, 516868, 561092, 657832, 681326, 881716, 904519, 1033736, 1122184, 1362652, 1543003, 1763432, 1809038, 2384641, 2725304, 3086006, 3618076, 3747293, 4769282, 6172012, 7236152, 7494586, 9538564, 12344024, 14989172, 19077128, 26231051, 29978344, 52462102, 104924204, 209848408]

約数ペア:

[(1, 209848408), (2, 104924204), (4, 52462102), (7, 29978344), (8, 26231051), (11, 19077128), (14, 14989172), (17, 12344024), (22, 9538564), (28, 7494586), (29, 7236152), (34, 6172012), (44, 4769282), (56, 3747293), (58, 3618076), (68, 3086006), (77, 2725304), (88, 2384641), (116, 1809038), (119, 1763432), (136, 1543003), (154, 1362652), (187, 1122184), (203, 1033736), (232, 904519), (238, 881716), (308, 681326), (319, 657832), (374, 561092), (406, 516868), (476, 440858), (493, 425656), (616, 340663), (638, 328916), (691, 303688), (748, 280546), (812, 258434), (952, 220429), (986, 212828), (1276, 164458), (1309, 160312), (1382, 151844), (1496, 140273), (1624, 129217), (1972, 106414), (2233, 93976), (2552, 82229), (2618, 80156), (2764, 75922), (3451, 60808), (3944, 53207), (4466, 46988), (4837, 43384), (5236, 40078), (5423, 38696), (5528, 37961), (6902, 30404), (7601, 27608), (8932, 23494), (9674, 21692), (10472, 20039), (10846, 19348), (11747, 17864), (13804, 15202)]