156989388580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1\times {\mathrm{30631}}^1$

素因数の和:33100

約数の個数: 48

約数和(自身を含む): 332854663680

約数和(自身を除く): 175865275100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2351, 4702, 9404, 11755, 23510, 30631, 47020, 61262, 122524, 153155, 256259, 306310, 512518, 612620, 1025036, 1281295, 2562590, 3338779, 5125180, 6677558, 13355116, 16693895, 33387790, 66775580, 72013481, 144026962, 288053924, 360067405, 720134810, 1440269620, 7849469429, 15698938858, 31397877716, 39247347145, 78494694290, 156989388580]

約数ペア:

[(1, 156989388580), (2, 78494694290), (4, 39247347145), (5, 31397877716), (10, 15698938858), (20, 7849469429), (109, 1440269620), (218, 720134810), (436, 360067405), (545, 288053924), (1090, 144026962), (2180, 72013481), (2351, 66775580), (4702, 33387790), (9404, 16693895), (11755, 13355116), (23510, 6677558), (30631, 5125180), (47020, 3338779), (61262, 2562590), (122524, 1281295), (153155, 1025036), (256259, 612620), (306310, 512518)]