30930140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90971}}^1$

素因数の和:90997

約数の個数: 24

約数和(自身を含む): 68774832

約数和(自身を除く): 37844692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90971, 181942, 363884, 454855, 909710, 1546507, 1819420, 3093014, 6186028, 7732535, 15465070, 30930140]

約数ペア:

[(1, 30930140), (2, 15465070), (4, 7732535), (5, 6186028), (10, 3093014), (17, 1819420), (20, 1546507), (34, 909710), (68, 454855), (85, 363884), (170, 181942), (340, 90971)]