159111220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{727}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 346364928

約数和(自身を除く): 187253708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 620, 706, 727, 1412, 1454, 1765, 2908, 3530, 3635, 7060, 7270, 10943, 14540, 21886, 22537, 43772, 45074, 54715, 90148, 109430, 112685, 218860, 225370, 256631, 450740, 513262, 1026524, 1283155, 2566310, 5132620, 7955561, 15911122, 31822244, 39777805, 79555610, 159111220]

約数ペア:

[(1, 159111220), (2, 79555610), (4, 39777805), (5, 31822244), (10, 15911122), (20, 7955561), (31, 5132620), (62, 2566310), (124, 1283155), (155, 1026524), (310, 513262), (353, 450740), (620, 256631), (706, 225370), (727, 218860), (1412, 112685), (1454, 109430), (1765, 90148), (2908, 54715), (3530, 45074), (3635, 43772), (7060, 22537), (7270, 21886), (10943, 14540)]