81029620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3833}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 195810048

約数和(自身を除く): 114780428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 3833, 4228, 5285, 7666, 10570, 15332, 19165, 21140, 26831, 38330, 53662, 76660, 107324, 134155, 268310, 536620, 578783, 1157566, 2315132, 2893915, 4051481, 5787830, 8102962, 11575660, 16205924, 20257405, 40514810, 81029620]

約数ペア:

[(1, 81029620), (2, 40514810), (4, 20257405), (5, 16205924), (7, 11575660), (10, 8102962), (14, 5787830), (20, 4051481), (28, 2893915), (35, 2315132), (70, 1157566), (140, 578783), (151, 536620), (302, 268310), (604, 134155), (755, 107324), (1057, 76660), (1510, 53662), (2114, 38330), (3020, 26831), (3833, 21140), (4228, 19165), (5285, 15332), (7666, 10570)]