326545010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 722608128

約数和(自身を除く): 396063118

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 43, 55, 62, 85, 86, 110, 131, 155, 170, 187, 215, 262, 310, 341, 374, 430, 473, 527, 655, 682, 731, 935, 946, 1054, 1310, 1333, 1441, 1462, 1705, 1870, 2227, 2365, 2635, 2666, 2882, 3410, 3655, 4061, 4454, 4730, 5270, 5633, 5797, 6665, 7205, 7310, 8041, 8122, 11135, 11266, 11594, 13330, 14410, 14663, 16082, 20305, 22270, 22661, 24497, 28165, 28985, 29326, 40205, 40610, 44671, 45322, 48994, 56330, 57970, 61963, 69037, 73315, 80410, 89342, 95761, 113305, 122485, 123926, 138074, 146630, 174623, 191522, 223355, 226610, 244970, 249271, 309815, 345185, 349246, 446710, 478805, 498542, 619630, 690370, 759407, 873115, 957610, 1053371, 1246355, 1518814, 1746230, 1920853, 2106742, 2492710, 2968591, 3797035, 3841706, 5266855, 5937182, 7594070, 9604265, 10533710, 14842955, 19208530, 29685910, 32654501, 65309002, 163272505, 326545010]

約数ペア:

[(1, 326545010), (2, 163272505), (5, 65309002), (10, 32654501), (11, 29685910), (17, 19208530), (22, 14842955), (31, 10533710), (34, 9604265), (43, 7594070), (55, 5937182), (62, 5266855), (85, 3841706), (86, 3797035), (110, 2968591), (131, 2492710), (155, 2106742), (170, 1920853), (187, 1746230), (215, 1518814), (262, 1246355), (310, 1053371), (341, 957610), (374, 873115), (430, 759407), (473, 690370), (527, 619630), (655, 498542), (682, 478805), (731, 446710), (935, 349246), (946, 345185), (1054, 309815), (1310, 249271), (1333, 244970), (1441, 226610), (1462, 223355), (1705, 191522), (1870, 174623), (2227, 146630), (2365, 138074), (2635, 123926), (2666, 122485), (2882, 113305), (3410, 95761), (3655, 89342), (4061, 80410), (4454, 73315), (4730, 69037), (5270, 61963), (5633, 57970), (5797, 56330), (6665, 48994), (7205, 45322), (7310, 44671), (8041, 40610), (8122, 40205), (11135, 29326), (11266, 28985), (11594, 28165), (13330, 24497), (14410, 22661), (14663, 22270), (16082, 20305)]