82681900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4123

約数の個数: 72

約数和(自身を含む): 212173920

約数和(自身を除く): 129492020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 4060, 4073, 5075, 8146, 10150, 16292, 20300, 20365, 28511, 40730, 57022, 81460, 101825, 114044, 118117, 142555, 203650, 236234, 285110, 407300, 472468, 570220, 590585, 712775, 826819, 1181170, 1425550, 1653638, 2362340, 2851100, 2952925, 3307276, 4134095, 5905850, 8268190, 11811700, 16536380, 20670475, 41340950, 82681900]

約数ペア:

[(1, 82681900), (2, 41340950), (4, 20670475), (5, 16536380), (7, 11811700), (10, 8268190), (14, 5905850), (20, 4134095), (25, 3307276), (28, 2952925), (29, 2851100), (35, 2362340), (50, 1653638), (58, 1425550), (70, 1181170), (100, 826819), (116, 712775), (140, 590585), (145, 570220), (175, 472468), (203, 407300), (290, 285110), (350, 236234), (406, 203650), (580, 142555), (700, 118117), (725, 114044), (812, 101825), (1015, 81460), (1450, 57022), (2030, 40730), (2900, 28511), (4060, 20365), (4073, 20300), (5075, 16292), (8146, 10150)]