221477440

素因数分解:

$2^6\times 5^1\times {\mathrm{692117}}^1$

素因数の和:692134

約数の個数: 28

約数和(自身を含む): 527393916

約数和(自身を除く): 305916476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 692117, 1384234, 2768468, 3460585, 5536936, 6921170, 11073872, 13842340, 22147744, 27684680, 44295488, 55369360, 110738720, 221477440]

約数ペア:

[(1, 221477440), (2, 110738720), (4, 55369360), (5, 44295488), (8, 27684680), (10, 22147744), (16, 13842340), (20, 11073872), (32, 6921170), (40, 5536936), (64, 3460585), (80, 2768468), (160, 1384234), (320, 692117)]