156737780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 334623744

約数和(自身を除く): 177885964

約数列:

[1, 2, 4, 5, 10, 20, 113, 223, 226, 311, 446, 452, 565, 622, 892, 1115, 1130, 1244, 1555, 2230, 2260, 3110, 4460, 6220, 25199, 35143, 50398, 69353, 70286, 100796, 125995, 138706, 140572, 175715, 251990, 277412, 346765, 351430, 503980, 693530, 702860, 1387060, 7836889, 15673778, 31347556, 39184445, 78368890, 156737780]

約数ペア:

[(1, 156737780), (2, 78368890), (4, 39184445), (5, 31347556), (10, 15673778), (20, 7836889), (113, 1387060), (223, 702860), (226, 693530), (311, 503980), (446, 351430), (452, 346765), (565, 277412), (622, 251990), (892, 175715), (1115, 140572), (1130, 138706), (1244, 125995), (1555, 100796), (2230, 70286), (2260, 69353), (3110, 50398), (4460, 35143), (6220, 25199)]