157500310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 328147200

約数和(自身を除く): 170646890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 179, 190, 209, 358, 418, 421, 842, 895, 1045, 1790, 1969, 2090, 2105, 3401, 3938, 4210, 4631, 6802, 7999, 9262, 9845, 15998, 17005, 19690, 23155, 34010, 37411, 39995, 46310, 74822, 75359, 79990, 87989, 150718, 175978, 187055, 374110, 376795, 439945, 753590, 828949, 879890, 1431821, 1657898, 2863642, 4144745, 7159105, 8289490, 14318210, 15750031, 31500062, 78750155, 157500310]

約数ペア:

[(1, 157500310), (2, 78750155), (5, 31500062), (10, 15750031), (11, 14318210), (19, 8289490), (22, 7159105), (38, 4144745), (55, 2863642), (95, 1657898), (110, 1431821), (179, 879890), (190, 828949), (209, 753590), (358, 439945), (418, 376795), (421, 374110), (842, 187055), (895, 175978), (1045, 150718), (1790, 87989), (1969, 79990), (2090, 75359), (2105, 74822), (3401, 46310), (3938, 39995), (4210, 37411), (4631, 34010), (6802, 23155), (7999, 19690), (9262, 17005), (9845, 15998)]