28130200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 76066560

約数和(自身を除く): 47936360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 283, 284, 350, 355, 497, 566, 568, 700, 710, 994, 1132, 1400, 1415, 1420, 1775, 1981, 1988, 2264, 2485, 2830, 2840, 3550, 3962, 3976, 4970, 5660, 7075, 7100, 7924, 9905, 9940, 11320, 12425, 14150, 14200, 15848, 19810, 19880, 20093, 24850, 28300, 39620, 40186, 49525, 49700, 56600, 79240, 80372, 99050, 99400, 100465, 140651, 160744, 198100, 200930, 281302, 396200, 401860, 502325, 562604, 703255, 803720, 1004650, 1125208, 1406510, 2009300, 2813020, 3516275, 4018600, 5626040, 7032550, 14065100, 28130200]

約数ペア:

[(1, 28130200), (2, 14065100), (4, 7032550), (5, 5626040), (7, 4018600), (8, 3516275), (10, 2813020), (14, 2009300), (20, 1406510), (25, 1125208), (28, 1004650), (35, 803720), (40, 703255), (50, 562604), (56, 502325), (70, 401860), (71, 396200), (100, 281302), (140, 200930), (142, 198100), (175, 160744), (200, 140651), (280, 100465), (283, 99400), (284, 99050), (350, 80372), (355, 79240), (497, 56600), (566, 49700), (568, 49525), (700, 40186), (710, 39620), (994, 28300), (1132, 24850), (1400, 20093), (1415, 19880), (1420, 19810), (1775, 15848), (1981, 14200), (1988, 14150), (2264, 12425), (2485, 11320), (2830, 9940), (2840, 9905), (3550, 7924), (3962, 7100), (3976, 7075), (4970, 5660)]