155514280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 357210000

約数和(自身を除く): 201695720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 149, 194, 269, 298, 388, 485, 538, 596, 745, 776, 970, 1076, 1192, 1345, 1490, 1940, 2152, 2690, 2980, 3880, 5380, 5960, 10760, 14453, 26093, 28906, 40081, 52186, 57812, 72265, 80162, 104372, 115624, 130465, 144530, 160324, 200405, 208744, 260930, 289060, 320648, 400810, 521860, 578120, 801620, 1043720, 1603240, 3887857, 7775714, 15551428, 19439285, 31102856, 38878570, 77757140, 155514280]

約数ペア:

[(1, 155514280), (2, 77757140), (4, 38878570), (5, 31102856), (8, 19439285), (10, 15551428), (20, 7775714), (40, 3887857), (97, 1603240), (149, 1043720), (194, 801620), (269, 578120), (298, 521860), (388, 400810), (485, 320648), (538, 289060), (596, 260930), (745, 208744), (776, 200405), (970, 160324), (1076, 144530), (1192, 130465), (1345, 115624), (1490, 104372), (1940, 80162), (2152, 72265), (2690, 57812), (2980, 52186), (3880, 40081), (5380, 28906), (5960, 26093), (10760, 14453)]