30302800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 81369792

約数和(自身を除く): 51066992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 97, 100, 110, 142, 176, 194, 200, 220, 275, 284, 355, 388, 400, 440, 485, 550, 568, 710, 776, 781, 880, 970, 1067, 1100, 1136, 1420, 1552, 1562, 1775, 1940, 2134, 2200, 2425, 2840, 3124, 3550, 3880, 3905, 4268, 4400, 4850, 5335, 5680, 6248, 6887, 7100, 7760, 7810, 8536, 9700, 10670, 12496, 13774, 14200, 15620, 17072, 19400, 19525, 21340, 26675, 27548, 28400, 31240, 34435, 38800, 39050, 42680, 53350, 55096, 62480, 68870, 75757, 78100, 85360, 106700, 110192, 137740, 151514, 156200, 172175, 213400, 275480, 303028, 312400, 344350, 378785, 426800, 550960, 606056, 688700, 757570, 1212112, 1377400, 1515140, 1893925, 2754800, 3030280, 3787850, 6060560, 7575700, 15151400, 30302800]

約数ペア:

[(1, 30302800), (2, 15151400), (4, 7575700), (5, 6060560), (8, 3787850), (10, 3030280), (11, 2754800), (16, 1893925), (20, 1515140), (22, 1377400), (25, 1212112), (40, 757570), (44, 688700), (50, 606056), (55, 550960), (71, 426800), (80, 378785), (88, 344350), (97, 312400), (100, 303028), (110, 275480), (142, 213400), (176, 172175), (194, 156200), (200, 151514), (220, 137740), (275, 110192), (284, 106700), (355, 85360), (388, 78100), (400, 75757), (440, 68870), (485, 62480), (550, 55096), (568, 53350), (710, 42680), (776, 39050), (781, 38800), (880, 34435), (970, 31240), (1067, 28400), (1100, 27548), (1136, 26675), (1420, 21340), (1552, 19525), (1562, 19400), (1775, 17072), (1940, 15620), (2134, 14200), (2200, 13774), (2425, 12496), (2840, 10670), (3124, 9700), (3550, 8536), (3880, 7810), (3905, 7760), (4268, 7100), (4400, 6887), (4850, 6248), (5335, 5680)]