221376360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3697}}^1$

素因数の和:4210

約数の個数: 64

約数和(自身を含む): 665640000

約数和(自身を除く): 444263640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1497, 1996, 2495, 2994, 3697, 3992, 4990, 5988, 7394, 7485, 9980, 11091, 11976, 14788, 14970, 18485, 19960, 22182, 29576, 29940, 36970, 44364, 55455, 59880, 73940, 88728, 110910, 147880, 221820, 443640, 1844803, 3689606, 5534409, 7379212, 9224015, 11068818, 14758424, 18448030, 22137636, 27672045, 36896060, 44275272, 55344090, 73792120, 110688180, 221376360]

約数ペア:

[(1, 221376360), (2, 110688180), (3, 73792120), (4, 55344090), (5, 44275272), (6, 36896060), (8, 27672045), (10, 22137636), (12, 18448030), (15, 14758424), (20, 11068818), (24, 9224015), (30, 7379212), (40, 5534409), (60, 3689606), (120, 1844803), (499, 443640), (998, 221820), (1497, 147880), (1996, 110910), (2495, 88728), (2994, 73940), (3697, 59880), (3992, 55455), (4990, 44364), (5988, 36970), (7394, 29940), (7485, 29576), (9980, 22182), (11091, 19960), (11976, 18485), (14788, 14970)]