28793800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 77584320

約数和(自身を除く): 48790520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 131, 140, 157, 175, 200, 262, 280, 314, 350, 524, 628, 655, 700, 785, 917, 1048, 1099, 1256, 1310, 1400, 1570, 1834, 2198, 2620, 3140, 3275, 3668, 3925, 4396, 4585, 5240, 5495, 6280, 6550, 7336, 7850, 8792, 9170, 10990, 13100, 15700, 18340, 20567, 21980, 22925, 26200, 27475, 31400, 36680, 41134, 43960, 45850, 54950, 82268, 91700, 102835, 109900, 143969, 164536, 183400, 205670, 219800, 287938, 411340, 514175, 575876, 719845, 822680, 1028350, 1151752, 1439690, 2056700, 2879380, 3599225, 4113400, 5758760, 7198450, 14396900, 28793800]

約数ペア:

[(1, 28793800), (2, 14396900), (4, 7198450), (5, 5758760), (7, 4113400), (8, 3599225), (10, 2879380), (14, 2056700), (20, 1439690), (25, 1151752), (28, 1028350), (35, 822680), (40, 719845), (50, 575876), (56, 514175), (70, 411340), (100, 287938), (131, 219800), (140, 205670), (157, 183400), (175, 164536), (200, 143969), (262, 109900), (280, 102835), (314, 91700), (350, 82268), (524, 54950), (628, 45850), (655, 43960), (700, 41134), (785, 36680), (917, 31400), (1048, 27475), (1099, 26200), (1256, 22925), (1310, 21980), (1400, 20567), (1570, 18340), (1834, 15700), (2198, 13100), (2620, 10990), (3140, 9170), (3275, 8792), (3668, 7850), (3925, 7336), (4396, 6550), (4585, 6280), (5240, 5495)]