28228600

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 70531200

約数和(自身を除く): 42302600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 31, 40, 50, 58, 62, 100, 116, 124, 145, 155, 157, 200, 232, 248, 290, 310, 314, 580, 620, 628, 725, 775, 785, 899, 1160, 1240, 1256, 1450, 1550, 1570, 1798, 2900, 3100, 3140, 3596, 3925, 4495, 4553, 4867, 5800, 6200, 6280, 7192, 7850, 8990, 9106, 9734, 15700, 17980, 18212, 19468, 22475, 22765, 24335, 31400, 35960, 36424, 38936, 44950, 45530, 48670, 89900, 91060, 97340, 113825, 121675, 141143, 179800, 182120, 194680, 227650, 243350, 282286, 455300, 486700, 564572, 705715, 910600, 973400, 1129144, 1411430, 2822860, 3528575, 5645720, 7057150, 14114300, 28228600]

約数ペア:

[(1, 28228600), (2, 14114300), (4, 7057150), (5, 5645720), (8, 3528575), (10, 2822860), (20, 1411430), (25, 1129144), (29, 973400), (31, 910600), (40, 705715), (50, 564572), (58, 486700), (62, 455300), (100, 282286), (116, 243350), (124, 227650), (145, 194680), (155, 182120), (157, 179800), (200, 141143), (232, 121675), (248, 113825), (290, 97340), (310, 91060), (314, 89900), (580, 48670), (620, 45530), (628, 44950), (725, 38936), (775, 36424), (785, 35960), (899, 31400), (1160, 24335), (1240, 22765), (1256, 22475), (1450, 19468), (1550, 18212), (1570, 17980), (1798, 15700), (2900, 9734), (3100, 9106), (3140, 8990), (3596, 7850), (3925, 7192), (4495, 6280), (4553, 6200), (4867, 5800)]