218243320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1756

約数の個数: 64

約数和(自身を含む): 516119040

約数和(自身を除く): 297875720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 604, 755, 920, 1208, 1510, 1571, 3020, 3142, 3473, 6040, 6284, 6946, 7855, 12568, 13892, 15710, 17365, 27784, 31420, 34730, 36133, 62840, 69460, 72266, 138920, 144532, 180665, 237221, 289064, 361330, 474442, 722660, 948884, 1186105, 1445320, 1897768, 2372210, 4744420, 5456083, 9488840, 10912166, 21824332, 27280415, 43648664, 54560830, 109121660, 218243320]

約数ペア:

[(1, 218243320), (2, 109121660), (4, 54560830), (5, 43648664), (8, 27280415), (10, 21824332), (20, 10912166), (23, 9488840), (40, 5456083), (46, 4744420), (92, 2372210), (115, 1897768), (151, 1445320), (184, 1186105), (230, 948884), (302, 722660), (460, 474442), (604, 361330), (755, 289064), (920, 237221), (1208, 180665), (1510, 144532), (1571, 138920), (3020, 72266), (3142, 69460), (3473, 62840), (6040, 36133), (6284, 34730), (6946, 31420), (7855, 27784), (12568, 17365), (13892, 15710)]