155702890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1613}}^1$

素因数の和:1831

約数の個数: 48

約数和(自身を含む): 327880872

約数和(自身を除く): 172177982

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 490, 985, 1379, 1613, 1970, 2758, 3226, 6895, 8065, 9653, 11291, 13790, 16130, 19306, 22582, 48265, 56455, 79037, 96530, 112910, 158074, 317761, 395185, 635522, 790370, 1588805, 2224327, 3177610, 4448654, 11121635, 15570289, 22243270, 31140578, 77851445, 155702890]

約数ペア:

[(1, 155702890), (2, 77851445), (5, 31140578), (7, 22243270), (10, 15570289), (14, 11121635), (35, 4448654), (49, 3177610), (70, 2224327), (98, 1588805), (197, 790370), (245, 635522), (394, 395185), (490, 317761), (985, 158074), (1379, 112910), (1613, 96530), (1970, 79037), (2758, 56455), (3226, 48265), (6895, 22582), (8065, 19306), (9653, 16130), (11291, 13790)]