220120928

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7703}}^1$

素因数の和:7779

約数の個数: 48

約数和(自身を含む): 465937920

約数和(自身を除く): 245816992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1504, 1786, 3572, 7144, 7703, 14288, 15406, 28576, 30812, 61624, 123248, 146357, 246496, 292714, 362041, 585428, 724082, 1170856, 1448164, 2341712, 2896328, 4683424, 5792656, 6878779, 11585312, 13757558, 27515116, 55030232, 110060464, 220120928]

約数ペア:

[(1, 220120928), (2, 110060464), (4, 55030232), (8, 27515116), (16, 13757558), (19, 11585312), (32, 6878779), (38, 5792656), (47, 4683424), (76, 2896328), (94, 2341712), (152, 1448164), (188, 1170856), (304, 724082), (376, 585428), (608, 362041), (752, 292714), (893, 246496), (1504, 146357), (1786, 123248), (3572, 61624), (7144, 30812), (7703, 28576), (14288, 15406)]