401375892800

素因数分解:

$2^6\times 5^2\times {\mathrm{397}}^1\times {\mathrm{631889}}^1$

素因数の和:632308

約数の個数: 84

約数和(自身を含む): 990124870140

約数和(自身を除く): 588748977340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 397, 400, 794, 800, 1588, 1600, 1985, 3176, 3970, 6352, 7940, 9925, 12704, 15880, 19850, 25408, 31760, 39700, 63520, 79400, 127040, 158800, 317600, 631889, 635200, 1263778, 2527556, 3159445, 5055112, 6318890, 10110224, 12637780, 15797225, 20220448, 25275560, 31594450, 40440896, 50551120, 63188900, 101102240, 126377800, 202204480, 250859933, 252755600, 501719866, 505511200, 1003439732, 1011022400, 1254299665, 2006879464, 2508599330, 4013758928, 5017198660, 6271498325, 8027517856, 10034397320, 12542996650, 16055035712, 20068794640, 25085993300, 40137589280, 50171986600, 80275178560, 100343973200, 200687946400, 401375892800]

約数ペア:

[(1, 401375892800), (2, 200687946400), (4, 100343973200), (5, 80275178560), (8, 50171986600), (10, 40137589280), (16, 25085993300), (20, 20068794640), (25, 16055035712), (32, 12542996650), (40, 10034397320), (50, 8027517856), (64, 6271498325), (80, 5017198660), (100, 4013758928), (160, 2508599330), (200, 2006879464), (320, 1254299665), (397, 1011022400), (400, 1003439732), (794, 505511200), (800, 501719866), (1588, 252755600), (1600, 250859933), (1985, 202204480), (3176, 126377800), (3970, 101102240), (6352, 63188900), (7940, 50551120), (9925, 40440896), (12704, 31594450), (15880, 25275560), (19850, 20220448), (25408, 15797225), (31760, 12637780), (39700, 10110224), (63520, 6318890), (79400, 5055112), (127040, 3159445), (158800, 2527556), (317600, 1263778), (631889, 635200)]