221422740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4357}}^1$

素因数の和:4398

約数の個数: 144

約数和(自身を含む): 779001216

約数和(自身を除く): 557578476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4357, 4620, 5082, 7260, 8470, 8714, 10164, 12705, 13071, 16940, 17428, 21785, 25410, 26142, 30499, 43570, 47927, 50820, 52284, 60998, 65355, 87140, 91497, 95854, 121996, 130710, 143781, 152495, 182994, 191708, 239635, 261420, 287562, 304990, 335489, 365988, 457485, 479270, 527197, 575124, 609980, 670978, 718905, 914970, 958540, 1006467, 1054394, 1341956, 1437810, 1581591, 1677445, 1829940, 2012934, 2108788, 2635985, 2875620, 3163182, 3354890, 3690379, 4025868, 5032335, 5271970, 6326364, 6709780, 7380758, 7907955, 10064670, 10543940, 11071137, 14761516, 15815910, 18451895, 20129340, 22142274, 31631820, 36903790, 44284548, 55355685, 73807580, 110711370, 221422740]

約数ペア:

[(1, 221422740), (2, 110711370), (3, 73807580), (4, 55355685), (5, 44284548), (6, 36903790), (7, 31631820), (10, 22142274), (11, 20129340), (12, 18451895), (14, 15815910), (15, 14761516), (20, 11071137), (21, 10543940), (22, 10064670), (28, 7907955), (30, 7380758), (33, 6709780), (35, 6326364), (42, 5271970), (44, 5032335), (55, 4025868), (60, 3690379), (66, 3354890), (70, 3163182), (77, 2875620), (84, 2635985), (105, 2108788), (110, 2012934), (121, 1829940), (132, 1677445), (140, 1581591), (154, 1437810), (165, 1341956), (210, 1054394), (220, 1006467), (231, 958540), (242, 914970), (308, 718905), (330, 670978), (363, 609980), (385, 575124), (420, 527197), (462, 479270), (484, 457485), (605, 365988), (660, 335489), (726, 304990), (770, 287562), (847, 261420), (924, 239635), (1155, 191708), (1210, 182994), (1452, 152495), (1540, 143781), (1694, 130710), (1815, 121996), (2310, 95854), (2420, 91497), (2541, 87140), (3388, 65355), (3630, 60998), (4235, 52284), (4357, 50820), (4620, 47927), (5082, 43570), (7260, 30499), (8470, 26142), (8714, 25410), (10164, 21785), (12705, 17428), (13071, 16940)]