398189280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{829561}}^1$

素因数の和:829579

約数の個数: 48

約数和(自身を含む): 1254297744

約数和(自身を除く): 856108464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 829561, 1659122, 2488683, 3318244, 4147805, 4977366, 6636488, 8295610, 9954732, 12443415, 13272976, 16591220, 19909464, 24886830, 26545952, 33182440, 39818928, 49773660, 66364880, 79637856, 99547320, 132729760, 199094640, 398189280]

約数ペア:

[(1, 398189280), (2, 199094640), (3, 132729760), (4, 99547320), (5, 79637856), (6, 66364880), (8, 49773660), (10, 39818928), (12, 33182440), (15, 26545952), (16, 24886830), (20, 19909464), (24, 16591220), (30, 13272976), (32, 12443415), (40, 9954732), (48, 8295610), (60, 6636488), (80, 4977366), (96, 4147805), (120, 3318244), (160, 2488683), (240, 1659122), (480, 829561)]