74680220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 163144800

約数和(自身を除く): 88464580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 389, 580, 662, 778, 1324, 1556, 1655, 1945, 3310, 3890, 6620, 7780, 9599, 11281, 19198, 22562, 38396, 45124, 47995, 56405, 95990, 112810, 128759, 191980, 225620, 257518, 515036, 643795, 1287590, 2575180, 3734011, 7468022, 14936044, 18670055, 37340110, 74680220]

約数ペア:

[(1, 74680220), (2, 37340110), (4, 18670055), (5, 14936044), (10, 7468022), (20, 3734011), (29, 2575180), (58, 1287590), (116, 643795), (145, 515036), (290, 257518), (331, 225620), (389, 191980), (580, 128759), (662, 112810), (778, 95990), (1324, 56405), (1556, 47995), (1655, 45124), (1945, 38396), (3310, 22562), (3890, 19198), (6620, 11281), (7780, 9599)]