90885460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 105069740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 358, 479, 530, 716, 895, 958, 1060, 1790, 1916, 2395, 3580, 4790, 9487, 9580, 18974, 25387, 37948, 47435, 50774, 85741, 94870, 101548, 126935, 171482, 189740, 253870, 342964, 428705, 507740, 857410, 1714820, 4544273, 9088546, 18177092, 22721365, 45442730, 90885460]

約数ペア:

[(1, 90885460), (2, 45442730), (4, 22721365), (5, 18177092), (10, 9088546), (20, 4544273), (53, 1714820), (106, 857410), (179, 507740), (212, 428705), (265, 342964), (358, 253870), (479, 189740), (530, 171482), (716, 126935), (895, 101548), (958, 94870), (1060, 85741), (1790, 50774), (1916, 47435), (2395, 37948), (3580, 25387), (4790, 18974), (9487, 9580)]