78849740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7481}}^1$

素因数の和:7538

約数の個数: 48

約数和(自身を含む): 181004544

約数和(自身を除く): 102154804

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 7481, 10540, 14962, 29924, 37405, 74810, 127177, 149620, 231911, 254354, 463822, 508708, 635885, 927644, 1159555, 1271770, 2319110, 2543540, 3942487, 4638220, 7884974, 15769948, 19712435, 39424870, 78849740]

約数ペア:

[(1, 78849740), (2, 39424870), (4, 19712435), (5, 15769948), (10, 7884974), (17, 4638220), (20, 3942487), (31, 2543540), (34, 2319110), (62, 1271770), (68, 1159555), (85, 927644), (124, 635885), (155, 508708), (170, 463822), (310, 254354), (340, 231911), (527, 149620), (620, 127177), (1054, 74810), (2108, 37405), (2635, 29924), (5270, 14962), (7481, 10540)]