311948650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 694375200

約数和(自身を除く): 382426550

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 29, 38, 50, 58, 65, 67, 95, 130, 134, 145, 169, 190, 247, 290, 325, 335, 338, 377, 475, 494, 551, 650, 670, 725, 754, 845, 871, 950, 1102, 1235, 1273, 1450, 1675, 1690, 1742, 1885, 1943, 2470, 2546, 2755, 3211, 3350, 3770, 3886, 4225, 4355, 4901, 5510, 6175, 6365, 6422, 7163, 8450, 8710, 9425, 9715, 9802, 11323, 12350, 12730, 13775, 14326, 16055, 16549, 18850, 19430, 21775, 22646, 24505, 25259, 27550, 31825, 32110, 33098, 35815, 36917, 43550, 48575, 49010, 50518, 56615, 63650, 71630, 73834, 80275, 82745, 93119, 97150, 113230, 122525, 126295, 160550, 165490, 179075, 184585, 186238, 215137, 245050, 252590, 283075, 328367, 358150, 369170, 413725, 430274, 465595, 479921, 566150, 631475, 656734, 827450, 922925, 931190, 959842, 1075685, 1262950, 1641835, 1845850, 2151370, 2327975, 2399605, 3283670, 4655950, 4799210, 5378425, 6238973, 8209175, 10756850, 11998025, 12477946, 16418350, 23996050, 31194865, 62389730, 155974325, 311948650]

約数ペア:

[(1, 311948650), (2, 155974325), (5, 62389730), (10, 31194865), (13, 23996050), (19, 16418350), (25, 12477946), (26, 11998025), (29, 10756850), (38, 8209175), (50, 6238973), (58, 5378425), (65, 4799210), (67, 4655950), (95, 3283670), (130, 2399605), (134, 2327975), (145, 2151370), (169, 1845850), (190, 1641835), (247, 1262950), (290, 1075685), (325, 959842), (335, 931190), (338, 922925), (377, 827450), (475, 656734), (494, 631475), (551, 566150), (650, 479921), (670, 465595), (725, 430274), (754, 413725), (845, 369170), (871, 358150), (950, 328367), (1102, 283075), (1235, 252590), (1273, 245050), (1450, 215137), (1675, 186238), (1690, 184585), (1742, 179075), (1885, 165490), (1943, 160550), (2470, 126295), (2546, 122525), (2755, 113230), (3211, 97150), (3350, 93119), (3770, 82745), (3886, 80275), (4225, 73834), (4355, 71630), (4901, 63650), (5510, 56615), (6175, 50518), (6365, 49010), (6422, 48575), (7163, 43550), (8450, 36917), (8710, 35815), (9425, 33098), (9715, 32110), (9802, 31825), (11323, 27550), (12350, 25259), (12730, 24505), (13775, 22646), (14326, 21775), (16055, 19430), (16549, 18850)]