54988400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 142074240

約数和(自身を除く): 87085840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 43, 46, 50, 80, 86, 92, 100, 115, 139, 172, 184, 200, 215, 230, 278, 344, 368, 400, 430, 460, 556, 575, 688, 695, 860, 920, 989, 1075, 1112, 1150, 1390, 1720, 1840, 1978, 2150, 2224, 2300, 2780, 3197, 3440, 3475, 3956, 4300, 4600, 4945, 5560, 5977, 6394, 6950, 7912, 8600, 9200, 9890, 11120, 11954, 12788, 13900, 15824, 15985, 17200, 19780, 23908, 24725, 25576, 27800, 29885, 31970, 39560, 47816, 49450, 51152, 55600, 59770, 63940, 79120, 79925, 95632, 98900, 119540, 127880, 137471, 149425, 159850, 197800, 239080, 255760, 274942, 298850, 319700, 395600, 478160, 549884, 597700, 639400, 687355, 1099768, 1195400, 1278800, 1374710, 2199536, 2390800, 2749420, 3436775, 5498840, 6873550, 10997680, 13747100, 27494200, 54988400]

約数ペア:

[(1, 54988400), (2, 27494200), (4, 13747100), (5, 10997680), (8, 6873550), (10, 5498840), (16, 3436775), (20, 2749420), (23, 2390800), (25, 2199536), (40, 1374710), (43, 1278800), (46, 1195400), (50, 1099768), (80, 687355), (86, 639400), (92, 597700), (100, 549884), (115, 478160), (139, 395600), (172, 319700), (184, 298850), (200, 274942), (215, 255760), (230, 239080), (278, 197800), (344, 159850), (368, 149425), (400, 137471), (430, 127880), (460, 119540), (556, 98900), (575, 95632), (688, 79925), (695, 79120), (860, 63940), (920, 59770), (989, 55600), (1075, 51152), (1112, 49450), (1150, 47816), (1390, 39560), (1720, 31970), (1840, 29885), (1978, 27800), (2150, 25576), (2224, 24725), (2300, 23908), (2780, 19780), (3197, 17200), (3440, 15985), (3475, 15824), (3956, 13900), (4300, 12788), (4600, 11954), (4945, 11120), (5560, 9890), (5977, 9200), (6394, 8600), (6950, 7912)]