221460428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 505128960

約数和(自身を除く): 283668532

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 47, 68, 76, 94, 119, 133, 188, 238, 266, 323, 329, 476, 521, 532, 646, 658, 799, 893, 1042, 1292, 1316, 1598, 1786, 2084, 2261, 3196, 3572, 3647, 4522, 5593, 6251, 7294, 8857, 9044, 9899, 11186, 12502, 14588, 15181, 17714, 19798, 22372, 24487, 25004, 30362, 35428, 39596, 48974, 60724, 61999, 69293, 97948, 106267, 123998, 138586, 168283, 171409, 212534, 247996, 277172, 336566, 342818, 416279, 425068, 465253, 673132, 685636, 832558, 930506, 1177981, 1665116, 1861012, 2355962, 2913953, 3256771, 4711924, 5827906, 6513542, 7909301, 11655812, 13027084, 15818602, 31637204, 55365107, 110730214, 221460428]

約数ペア:

[(1, 221460428), (2, 110730214), (4, 55365107), (7, 31637204), (14, 15818602), (17, 13027084), (19, 11655812), (28, 7909301), (34, 6513542), (38, 5827906), (47, 4711924), (68, 3256771), (76, 2913953), (94, 2355962), (119, 1861012), (133, 1665116), (188, 1177981), (238, 930506), (266, 832558), (323, 685636), (329, 673132), (476, 465253), (521, 425068), (532, 416279), (646, 342818), (658, 336566), (799, 277172), (893, 247996), (1042, 212534), (1292, 171409), (1316, 168283), (1598, 138586), (1786, 123998), (2084, 106267), (2261, 97948), (3196, 69293), (3572, 61999), (3647, 60724), (4522, 48974), (5593, 39596), (6251, 35428), (7294, 30362), (8857, 25004), (9044, 24487), (9899, 22372), (11186, 19798), (12502, 17714), (14588, 15181)]