773201380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{821}}^1$

素因数の和:906

約数の個数: 108

約数和(自身を含む): 1954092924

約数和(自身を除く): 1180891544

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 821, 868, 961, 980, 1085, 1519, 1642, 1922, 2170, 3038, 3284, 3844, 4105, 4340, 4805, 5747, 6076, 6727, 7595, 8210, 9610, 11494, 13454, 15190, 16420, 19220, 22988, 25451, 26908, 28735, 30380, 33635, 40229, 47089, 50902, 57470, 67270, 80458, 94178, 101804, 114940, 127255, 134540, 160916, 178157, 188356, 201145, 235445, 254510, 356314, 402290, 470890, 509020, 712628, 788981, 804580, 890785, 941780, 1247099, 1577962, 1781570, 2494198, 3155924, 3563140, 3944905, 4988396, 5522867, 6235495, 7889810, 11045734, 12470990, 15779620, 22091468, 24941980, 27614335, 38660069, 55228670, 77320138, 110457340, 154640276, 193300345, 386600690, 773201380]

約数ペア:

[(1, 773201380), (2, 386600690), (4, 193300345), (5, 154640276), (7, 110457340), (10, 77320138), (14, 55228670), (20, 38660069), (28, 27614335), (31, 24941980), (35, 22091468), (49, 15779620), (62, 12470990), (70, 11045734), (98, 7889810), (124, 6235495), (140, 5522867), (155, 4988396), (196, 3944905), (217, 3563140), (245, 3155924), (310, 2494198), (434, 1781570), (490, 1577962), (620, 1247099), (821, 941780), (868, 890785), (961, 804580), (980, 788981), (1085, 712628), (1519, 509020), (1642, 470890), (1922, 402290), (2170, 356314), (3038, 254510), (3284, 235445), (3844, 201145), (4105, 188356), (4340, 178157), (4805, 160916), (5747, 134540), (6076, 127255), (6727, 114940), (7595, 101804), (8210, 94178), (9610, 80458), (11494, 67270), (13454, 57470), (15190, 50902), (16420, 47089), (19220, 40229), (22988, 33635), (25451, 30380), (26908, 28735)]