177031820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3989}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 426323520

約数和(自身を除く): 249291700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 3989, 4438, 6340, 7978, 8876, 11095, 15956, 19945, 22190, 27923, 39890, 44380, 55846, 79780, 111692, 139615, 279230, 558460, 1264513, 2529026, 5058052, 6322565, 8851591, 12645130, 17703182, 25290260, 35406364, 44257955, 88515910, 177031820]

約数ペア:

[(1, 177031820), (2, 88515910), (4, 44257955), (5, 35406364), (7, 25290260), (10, 17703182), (14, 12645130), (20, 8851591), (28, 6322565), (35, 5058052), (70, 2529026), (140, 1264513), (317, 558460), (634, 279230), (1268, 139615), (1585, 111692), (2219, 79780), (3170, 55846), (3989, 44380), (4438, 39890), (6340, 27923), (7978, 22190), (8876, 19945), (11095, 15956)]