319192960

素因数分解:

$2^7\times 5^1\times {\mathrm{498739}}^1$

素因数の和:498758

約数の個数: 32

約数和(自身を含む): 763072200

約数和(自身を除く): 443879240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 498739, 997478, 1994956, 2493695, 3989912, 4987390, 7979824, 9974780, 15959648, 19949560, 31919296, 39899120, 63838592, 79798240, 159596480, 319192960]

約数ペア:

[(1, 319192960), (2, 159596480), (4, 79798240), (5, 63838592), (8, 39899120), (10, 31919296), (16, 19949560), (20, 15959648), (32, 9974780), (40, 7979824), (64, 4987390), (80, 3989912), (128, 2493695), (160, 1994956), (320, 997478), (640, 498739)]