400603640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{589123}}^1$

素因数の和:589151

約数の個数: 32

約数和(自身を含む): 954380880

約数和(自身を除く): 553777240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 589123, 1178246, 2356492, 2945615, 4712984, 5891230, 10015091, 11782460, 20030182, 23564920, 40060364, 50075455, 80120728, 100150910, 200301820, 400603640]

約数ペア:

[(1, 400603640), (2, 200301820), (4, 100150910), (5, 80120728), (8, 50075455), (10, 40060364), (17, 23564920), (20, 20030182), (34, 11782460), (40, 10015091), (68, 5891230), (85, 4712984), (136, 2945615), (170, 2356492), (340, 1178246), (680, 589123)]