149730620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 351711360

約数和(自身を除く): 201980740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1429, 1612, 1690, 2015, 2858, 3380, 4030, 5239, 5716, 7145, 8060, 10478, 14290, 18577, 20956, 26195, 28580, 37154, 44299, 52390, 74308, 88598, 92885, 104780, 177196, 185770, 221495, 241501, 371540, 442990, 483002, 575887, 885980, 966004, 1151774, 1207505, 2303548, 2415010, 2879435, 4830020, 5758870, 7486531, 11517740, 14973062, 29946124, 37432655, 74865310, 149730620]

約数ペア:

[(1, 149730620), (2, 74865310), (4, 37432655), (5, 29946124), (10, 14973062), (13, 11517740), (20, 7486531), (26, 5758870), (31, 4830020), (52, 2879435), (62, 2415010), (65, 2303548), (124, 1207505), (130, 1151774), (155, 966004), (169, 885980), (260, 575887), (310, 483002), (338, 442990), (403, 371540), (620, 241501), (676, 221495), (806, 185770), (845, 177196), (1429, 104780), (1612, 92885), (1690, 88598), (2015, 74308), (2858, 52390), (3380, 44299), (4030, 37154), (5239, 28580), (5716, 26195), (7145, 20956), (8060, 18577), (10478, 14290)]