75189980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{787}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 167995296

約数和(自身を除く): 92805316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 787, 1124, 1405, 1574, 2810, 3148, 3935, 4777, 5620, 7870, 9554, 13379, 15740, 19108, 23885, 26758, 47770, 53516, 66895, 95540, 133790, 221147, 267580, 442294, 884588, 1105735, 2211470, 3759499, 4422940, 7518998, 15037996, 18797495, 37594990, 75189980]

約数ペア:

[(1, 75189980), (2, 37594990), (4, 18797495), (5, 15037996), (10, 7518998), (17, 4422940), (20, 3759499), (34, 2211470), (68, 1105735), (85, 884588), (170, 442294), (281, 267580), (340, 221147), (562, 133790), (787, 95540), (1124, 66895), (1405, 53516), (1574, 47770), (2810, 26758), (3148, 23885), (3935, 19108), (4777, 15740), (5620, 13379), (7870, 9554)]