30157420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 66060288

約数和(自身を除く): 35902868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 383, 508, 620, 635, 766, 1270, 1532, 1915, 2540, 3830, 3937, 7660, 7874, 11873, 15748, 19685, 23746, 39370, 47492, 48641, 59365, 78740, 97282, 118730, 194564, 237460, 243205, 486410, 972820, 1507871, 3015742, 6031484, 7539355, 15078710, 30157420]

約数ペア:

[(1, 30157420), (2, 15078710), (4, 7539355), (5, 6031484), (10, 3015742), (20, 1507871), (31, 972820), (62, 486410), (124, 243205), (127, 237460), (155, 194564), (254, 118730), (310, 97282), (383, 78740), (508, 59365), (620, 48641), (635, 47492), (766, 39370), (1270, 23746), (1532, 19685), (1915, 15748), (2540, 11873), (3830, 7874), (3937, 7660)]