4185450

素因数分解:

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

素因数の和:220

約数の個数: 72

約数和(自身を含む): 11490336

約数和(自身を除く): 7304886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 131, 142, 150, 213, 225, 262, 355, 393, 426, 450, 639, 655, 710, 786, 1065, 1179, 1278, 1310, 1775, 1965, 2130, 2358, 3195, 3275, 3550, 3930, 5325, 5895, 6390, 6550, 9301, 9825, 10650, 11790, 15975, 18602, 19650, 27903, 29475, 31950, 46505, 55806, 58950, 83709, 93010, 139515, 167418, 232525, 279030, 418545, 465050, 697575, 837090, 1395150, 2092725, 4185450]

約数ペア:

[(1, 4185450), (2, 2092725), (3, 1395150), (5, 837090), (6, 697575), (9, 465050), (10, 418545), (15, 279030), (18, 232525), (25, 167418), (30, 139515), (45, 93010), (50, 83709), (71, 58950), (75, 55806), (90, 46505), (131, 31950), (142, 29475), (150, 27903), (213, 19650), (225, 18602), (262, 15975), (355, 11790), (393, 10650), (426, 9825), (450, 9301), (639, 6550), (655, 6390), (710, 5895), (786, 5325), (1065, 3930), (1179, 3550), (1278, 3275), (1310, 3195), (1775, 2358), (1965, 2130)]