428969940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:798

約数の個数: 192

約数和(自身を含む): 1449197568

約数和(自身を除く): 1020227628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 47, 60, 62, 70, 84, 93, 94, 105, 124, 140, 141, 155, 186, 188, 210, 217, 235, 282, 310, 329, 372, 420, 434, 465, 470, 564, 620, 651, 658, 701, 705, 868, 930, 940, 987, 1085, 1302, 1316, 1402, 1410, 1457, 1645, 1860, 1974, 2103, 2170, 2604, 2804, 2820, 2914, 3255, 3290, 3505, 3948, 4206, 4340, 4371, 4907, 4935, 5828, 6510, 6580, 7010, 7285, 8412, 8742, 9814, 9870, 10199, 10515, 13020, 14020, 14570, 14721, 17484, 19628, 19740, 20398, 21030, 21731, 21855, 24535, 29140, 29442, 30597, 32947, 40796, 42060, 43462, 43710, 49070, 50995, 58884, 61194, 65193, 65894, 73605, 86924, 87420, 98140, 98841, 101990, 108655, 122388, 130386, 131788, 147210, 152117, 152985, 164735, 197682, 203980, 217310, 230629, 260772, 294420, 304234, 305970, 325965, 329470, 395364, 434620, 456351, 461258, 494205, 608468, 611940, 651930, 658940, 691887, 760585, 912702, 922516, 988410, 1021357, 1153145, 1303860, 1383774, 1521170, 1825404, 1976820, 2042714, 2281755, 2306290, 2767548, 3042340, 3064071, 3459435, 4085428, 4563510, 4612580, 5106785, 6128142, 6918870, 7149499, 9127020, 10213570, 12256284, 13837740, 14298998, 15320355, 20427140, 21448497, 28597996, 30640710, 35747495, 42896994, 61281420, 71494990, 85793988, 107242485, 142989980, 214484970, 428969940]

約数ペア:

[(1, 428969940), (2, 214484970), (3, 142989980), (4, 107242485), (5, 85793988), (6, 71494990), (7, 61281420), (10, 42896994), (12, 35747495), (14, 30640710), (15, 28597996), (20, 21448497), (21, 20427140), (28, 15320355), (30, 14298998), (31, 13837740), (35, 12256284), (42, 10213570), (47, 9127020), (60, 7149499), (62, 6918870), (70, 6128142), (84, 5106785), (93, 4612580), (94, 4563510), (105, 4085428), (124, 3459435), (140, 3064071), (141, 3042340), (155, 2767548), (186, 2306290), (188, 2281755), (210, 2042714), (217, 1976820), (235, 1825404), (282, 1521170), (310, 1383774), (329, 1303860), (372, 1153145), (420, 1021357), (434, 988410), (465, 922516), (470, 912702), (564, 760585), (620, 691887), (651, 658940), (658, 651930), (701, 611940), (705, 608468), (868, 494205), (930, 461258), (940, 456351), (987, 434620), (1085, 395364), (1302, 329470), (1316, 325965), (1402, 305970), (1410, 304234), (1457, 294420), (1645, 260772), (1860, 230629), (1974, 217310), (2103, 203980), (2170, 197682), (2604, 164735), (2804, 152985), (2820, 152117), (2914, 147210), (3255, 131788), (3290, 130386), (3505, 122388), (3948, 108655), (4206, 101990), (4340, 98841), (4371, 98140), (4907, 87420), (4935, 86924), (5828, 73605), (6510, 65894), (6580, 65193), (7010, 61194), (7285, 58884), (8412, 50995), (8742, 49070), (9814, 43710), (9870, 43462), (10199, 42060), (10515, 40796), (13020, 32947), (14020, 30597), (14570, 29442), (14721, 29140), (17484, 24535), (19628, 21855), (19740, 21731), (20398, 21030)]