249765980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1301}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 544652640

約数和(自身を除く): 294886660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1301, 1324, 1655, 2602, 3310, 5204, 6505, 6620, 9599, 13010, 19198, 26020, 37729, 38396, 47995, 75458, 95990, 150916, 188645, 191980, 377290, 430631, 754580, 861262, 1722524, 2153155, 4306310, 8612620, 12488299, 24976598, 49953196, 62441495, 124882990, 249765980]

約数ペア:

[(1, 249765980), (2, 124882990), (4, 62441495), (5, 49953196), (10, 24976598), (20, 12488299), (29, 8612620), (58, 4306310), (116, 2153155), (145, 1722524), (290, 861262), (331, 754580), (580, 430631), (662, 377290), (1301, 191980), (1324, 188645), (1655, 150916), (2602, 95990), (3310, 75458), (5204, 47995), (6505, 38396), (6620, 37729), (9599, 26020), (13010, 19198)]