311603540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{39847}}^1$

素因数の和:39896

約数の個数: 48

約数和(自身を含む): 723002112

約数和(自身を除く): 411398572

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, 39847, 79694, 159388, 199235, 398470, 677399, 796940, 916481, 1354798, 1832962, 2709596, 3386995, 3665924, 4582405, 6773990, 9164810, 13547980, 15580177, 18329620, 31160354, 62320708, 77900885, 155801770, 311603540]

約数ペア:

[(1, 311603540), (2, 155801770), (4, 77900885), (5, 62320708), (10, 31160354), (17, 18329620), (20, 15580177), (23, 13547980), (34, 9164810), (46, 6773990), (68, 4582405), (85, 3665924), (92, 3386995), (115, 2709596), (170, 1832962), (230, 1354798), (340, 916481), (391, 796940), (460, 677399), (782, 398470), (1564, 199235), (1955, 159388), (3910, 79694), (7820, 39847)]