153406940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 328903680

約数和(自身を除く): 175496740

約数列:

[1, 2, 4, 5, 10, 20, 79, 151, 158, 302, 316, 395, 604, 643, 755, 790, 1286, 1510, 1580, 2572, 3020, 3215, 6430, 11929, 12860, 23858, 47716, 50797, 59645, 97093, 101594, 119290, 194186, 203188, 238580, 253985, 388372, 485465, 507970, 970930, 1015940, 1941860, 7670347, 15340694, 30681388, 38351735, 76703470, 153406940]

約数ペア:

[(1, 153406940), (2, 76703470), (4, 38351735), (5, 30681388), (10, 15340694), (20, 7670347), (79, 1941860), (151, 1015940), (158, 970930), (302, 507970), (316, 485465), (395, 388372), (604, 253985), (643, 238580), (755, 203188), (790, 194186), (1286, 119290), (1510, 101594), (1580, 97093), (2572, 59645), (3020, 50797), (3215, 47716), (6430, 23858), (11929, 12860)]