442880

素因数分解:

$2^9\times 5^1\times {\mathrm{173}}^1$

素因数の和:196

約数の個数: 40

約数和(自身を含む): 1068012

約数和(自身を除く): 625132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 512, 640, 692, 865, 1280, 1384, 1730, 2560, 2768, 3460, 5536, 6920, 11072, 13840, 22144, 27680, 44288, 55360, 88576, 110720, 221440, 442880]

約数ペア:

[(1, 442880), (2, 221440), (4, 110720), (5, 88576), (8, 55360), (10, 44288), (16, 27680), (20, 22144), (32, 13840), (40, 11072), (64, 6920), (80, 5536), (128, 3460), (160, 2768), (173, 2560), (256, 1730), (320, 1384), (346, 1280), (512, 865), (640, 692)]