1840804540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{235397}}^1$

素因数の和:235446

約数の個数: 48

約数和(自身を含む): 4271061312

約数和(自身を除く): 2430256772

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 235397, 470794, 941588, 1176985, 2353970, 4001749, 4707940, 5414131, 8003498, 10828262, 16006996, 20008745, 21656524, 27070655, 40017490, 54141310, 80034980, 92040227, 108282620, 184080454, 368160908, 460201135, 920402270, 1840804540]

約数ペア:

[(1, 1840804540), (2, 920402270), (4, 460201135), (5, 368160908), (10, 184080454), (17, 108282620), (20, 92040227), (23, 80034980), (34, 54141310), (46, 40017490), (68, 27070655), (85, 21656524), (92, 20008745), (115, 16006996), (170, 10828262), (230, 8003498), (340, 5414131), (391, 4707940), (460, 4001749), (782, 2353970), (1564, 1176985), (1955, 941588), (3910, 470794), (7820, 235397)]