76648580

素因数分解:

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

素因数の和:281

約数の個数: 72

約数和(自身を含む): 174069000

約数和(自身を除く): 97420420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 149, 170, 178, 289, 298, 340, 356, 445, 578, 596, 745, 890, 1156, 1445, 1490, 1513, 1780, 2533, 2890, 2980, 3026, 5066, 5780, 6052, 7565, 10132, 12665, 13261, 15130, 25330, 25721, 26522, 30260, 43061, 50660, 51442, 53044, 66305, 86122, 102884, 128605, 132610, 172244, 215305, 225437, 257210, 265220, 430610, 450874, 514420, 861220, 901748, 1127185, 2254370, 3832429, 4508740, 7664858, 15329716, 19162145, 38324290, 76648580]

約数ペア:

[(1, 76648580), (2, 38324290), (4, 19162145), (5, 15329716), (10, 7664858), (17, 4508740), (20, 3832429), (34, 2254370), (68, 1127185), (85, 901748), (89, 861220), (149, 514420), (170, 450874), (178, 430610), (289, 265220), (298, 257210), (340, 225437), (356, 215305), (445, 172244), (578, 132610), (596, 128605), (745, 102884), (890, 86122), (1156, 66305), (1445, 53044), (1490, 51442), (1513, 50660), (1780, 43061), (2533, 30260), (2890, 26522), (2980, 25721), (3026, 25330), (5066, 15130), (5780, 13261), (6052, 12665), (7565, 10132)]