152884780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 330089760

約数和(自身を除く): 177204980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 389, 430, 457, 778, 860, 914, 1556, 1828, 1945, 2285, 3890, 4570, 7780, 9140, 16727, 19651, 33454, 39302, 66908, 78604, 83635, 98255, 167270, 177773, 196510, 334540, 355546, 393020, 711092, 888865, 1777730, 3555460, 7644239, 15288478, 30576956, 38221195, 76442390, 152884780]

約数ペア:

[(1, 152884780), (2, 76442390), (4, 38221195), (5, 30576956), (10, 15288478), (20, 7644239), (43, 3555460), (86, 1777730), (172, 888865), (215, 711092), (389, 393020), (430, 355546), (457, 334540), (778, 196510), (860, 177773), (914, 167270), (1556, 98255), (1828, 83635), (1945, 78604), (2285, 66908), (3890, 39302), (4570, 33454), (7780, 19651), (9140, 16727)]