418250240

素因数分解:

$2^9\times 5^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1043

約数の個数: 80

約数和(自身を含む): 1009087200

約数和(自身を除く): 590836960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 512, 640, 796, 821, 995, 1280, 1592, 1642, 1990, 2560, 3184, 3284, 3980, 4105, 6368, 6568, 7960, 8210, 12736, 13136, 15920, 16420, 25472, 26272, 31840, 32840, 50944, 52544, 63680, 65680, 101888, 105088, 127360, 131360, 163379, 210176, 254720, 262720, 326758, 420352, 509440, 525440, 653516, 816895, 1050880, 1307032, 1633790, 2101760, 2614064, 3267580, 5228128, 6535160, 10456256, 13070320, 20912512, 26140640, 41825024, 52281280, 83650048, 104562560, 209125120, 418250240]

約数ペア:

[(1, 418250240), (2, 209125120), (4, 104562560), (5, 83650048), (8, 52281280), (10, 41825024), (16, 26140640), (20, 20912512), (32, 13070320), (40, 10456256), (64, 6535160), (80, 5228128), (128, 3267580), (160, 2614064), (199, 2101760), (256, 1633790), (320, 1307032), (398, 1050880), (512, 816895), (640, 653516), (796, 525440), (821, 509440), (995, 420352), (1280, 326758), (1592, 262720), (1642, 254720), (1990, 210176), (2560, 163379), (3184, 131360), (3284, 127360), (3980, 105088), (4105, 101888), (6368, 65680), (6568, 63680), (7960, 52544), (8210, 50944), (12736, 32840), (13136, 31840), (15920, 26272), (16420, 25472)]