421567190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 895212000

約数和(自身を除く): 473644810

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 149, 170, 178, 187, 289, 298, 374, 445, 578, 745, 890, 935, 979, 1445, 1490, 1513, 1639, 1870, 1958, 2533, 2890, 3026, 3179, 3278, 4895, 5066, 6358, 7565, 8195, 9790, 12665, 13261, 15130, 15895, 16390, 16643, 25330, 25721, 26522, 27863, 31790, 33286, 43061, 51442, 55726, 66305, 83215, 86122, 128605, 132610, 139315, 145871, 166430, 215305, 225437, 257210, 278630, 282931, 291742, 430610, 450874, 473671, 565862, 729355, 947342, 1127185, 1414655, 1458710, 2254370, 2368355, 2479807, 2829310, 3832429, 4736710, 4959614, 7664858, 12399035, 19162145, 24798070, 38324290, 42156719, 84313438, 210783595, 421567190]

約数ペア:

[(1, 421567190), (2, 210783595), (5, 84313438), (10, 42156719), (11, 38324290), (17, 24798070), (22, 19162145), (34, 12399035), (55, 7664858), (85, 4959614), (89, 4736710), (110, 3832429), (149, 2829310), (170, 2479807), (178, 2368355), (187, 2254370), (289, 1458710), (298, 1414655), (374, 1127185), (445, 947342), (578, 729355), (745, 565862), (890, 473671), (935, 450874), (979, 430610), (1445, 291742), (1490, 282931), (1513, 278630), (1639, 257210), (1870, 225437), (1958, 215305), (2533, 166430), (2890, 145871), (3026, 139315), (3179, 132610), (3278, 128605), (4895, 86122), (5066, 83215), (6358, 66305), (7565, 55726), (8195, 51442), (9790, 43061), (12665, 33286), (13261, 31790), (15130, 27863), (15895, 26522), (16390, 25721), (16643, 25330)]