521322340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19913}}^1$

素因数の和:19957

約数の個数: 96

約数和(自身を含む): 1445278464

約数和(自身を除く): 923956124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 3740, 5236, 6545, 13090, 19913, 26180, 39826, 79652, 99565, 139391, 199130, 219043, 278782, 338521, 398260, 438086, 557564, 677042, 696955, 876172, 1095215, 1354084, 1393910, 1533301, 1692605, 2190430, 2369647, 2787820, 3066602, 3385210, 3723731, 4380860, 4739294, 6133204, 6770420, 7447462, 7666505, 9478588, 11848235, 14894924, 15333010, 18618655, 23696470, 26066117, 30666020, 37237310, 47392940, 52132234, 74474620, 104264468, 130330585, 260661170, 521322340]

約数ペア:

[(1, 521322340), (2, 260661170), (4, 130330585), (5, 104264468), (7, 74474620), (10, 52132234), (11, 47392940), (14, 37237310), (17, 30666020), (20, 26066117), (22, 23696470), (28, 18618655), (34, 15333010), (35, 14894924), (44, 11848235), (55, 9478588), (68, 7666505), (70, 7447462), (77, 6770420), (85, 6133204), (110, 4739294), (119, 4380860), (140, 3723731), (154, 3385210), (170, 3066602), (187, 2787820), (220, 2369647), (238, 2190430), (308, 1692605), (340, 1533301), (374, 1393910), (385, 1354084), (476, 1095215), (595, 876172), (748, 696955), (770, 677042), (935, 557564), (1190, 438086), (1309, 398260), (1540, 338521), (1870, 278782), (2380, 219043), (2618, 199130), (3740, 139391), (5236, 99565), (6545, 79652), (13090, 39826), (19913, 26180)]