619830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 1031274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 97, 142, 194, 213, 291, 355, 426, 485, 582, 639, 710, 873, 970, 1065, 1278, 1455, 1746, 2130, 2910, 3195, 4365, 6390, 6887, 8730, 13774, 20661, 34435, 41322, 61983, 68870, 103305, 123966, 206610, 309915, 619830]

約数ペア:

[(1, 619830), (2, 309915), (3, 206610), (5, 123966), (6, 103305), (9, 68870), (10, 61983), (15, 41322), (18, 34435), (30, 20661), (45, 13774), (71, 8730), (90, 6887), (97, 6390), (142, 4365), (194, 3195), (213, 2910), (291, 2130), (355, 1746), (426, 1455), (485, 1278), (582, 1065), (639, 970), (710, 873)]