82806890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 162846720

約数和(自身を除く): 80039830

約数列:

[1, 2, 5, 10, 29, 31, 58, 61, 62, 122, 145, 151, 155, 290, 302, 305, 310, 610, 755, 899, 1510, 1769, 1798, 1891, 3538, 3782, 4379, 4495, 4681, 8758, 8845, 8990, 9211, 9362, 9455, 17690, 18422, 18910, 21895, 23405, 43790, 46055, 46810, 54839, 92110, 109678, 135749, 267119, 271498, 274195, 285541, 534238, 548390, 571082, 678745, 1335595, 1357490, 1427705, 2671190, 2855410, 8280689, 16561378, 41403445, 82806890]

約数ペア:

[(1, 82806890), (2, 41403445), (5, 16561378), (10, 8280689), (29, 2855410), (31, 2671190), (58, 1427705), (61, 1357490), (62, 1335595), (122, 678745), (145, 571082), (151, 548390), (155, 534238), (290, 285541), (302, 274195), (305, 271498), (310, 267119), (610, 135749), (755, 109678), (899, 92110), (1510, 54839), (1769, 46810), (1798, 46055), (1891, 43790), (3538, 23405), (3782, 21895), (4379, 18910), (4495, 18422), (4681, 17690), (8758, 9455), (8845, 9362), (8990, 9211)]