28182030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 69797376

約数和(自身を除く): 41615346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 101, 131, 142, 202, 213, 262, 303, 355, 393, 426, 505, 606, 655, 710, 786, 1010, 1065, 1310, 1515, 1965, 2130, 3030, 3930, 7171, 9301, 13231, 14342, 18602, 21513, 26462, 27903, 35855, 39693, 43026, 46505, 55806, 66155, 71710, 79386, 93010, 107565, 132310, 139515, 198465, 215130, 279030, 396930, 939401, 1878802, 2818203, 4697005, 5636406, 9394010, 14091015, 28182030]

約数ペア:

[(1, 28182030), (2, 14091015), (3, 9394010), (5, 5636406), (6, 4697005), (10, 2818203), (15, 1878802), (30, 939401), (71, 396930), (101, 279030), (131, 215130), (142, 198465), (202, 139515), (213, 132310), (262, 107565), (303, 93010), (355, 79386), (393, 71710), (426, 66155), (505, 55806), (606, 46505), (655, 43026), (710, 39693), (786, 35855), (1010, 27903), (1065, 26462), (1310, 21513), (1515, 18602), (1965, 14342), (2130, 13231), (3030, 9301), (3930, 7171)]