56457200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 145764480

約数和(自身を除く): 89307280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 40, 50, 58, 62, 80, 100, 116, 124, 145, 155, 157, 200, 232, 248, 290, 310, 314, 400, 464, 496, 580, 620, 628, 725, 775, 785, 899, 1160, 1240, 1256, 1450, 1550, 1570, 1798, 2320, 2480, 2512, 2900, 3100, 3140, 3596, 3925, 4495, 4553, 4867, 5800, 6200, 6280, 7192, 7850, 8990, 9106, 9734, 11600, 12400, 12560, 14384, 15700, 17980, 18212, 19468, 22475, 22765, 24335, 31400, 35960, 36424, 38936, 44950, 45530, 48670, 62800, 71920, 72848, 77872, 89900, 91060, 97340, 113825, 121675, 141143, 179800, 182120, 194680, 227650, 243350, 282286, 359600, 364240, 389360, 455300, 486700, 564572, 705715, 910600, 973400, 1129144, 1411430, 1821200, 1946800, 2258288, 2822860, 3528575, 5645720, 7057150, 11291440, 14114300, 28228600, 56457200]

約数ペア:

[(1, 56457200), (2, 28228600), (4, 14114300), (5, 11291440), (8, 7057150), (10, 5645720), (16, 3528575), (20, 2822860), (25, 2258288), (29, 1946800), (31, 1821200), (40, 1411430), (50, 1129144), (58, 973400), (62, 910600), (80, 705715), (100, 564572), (116, 486700), (124, 455300), (145, 389360), (155, 364240), (157, 359600), (200, 282286), (232, 243350), (248, 227650), (290, 194680), (310, 182120), (314, 179800), (400, 141143), (464, 121675), (496, 113825), (580, 97340), (620, 91060), (628, 89900), (725, 77872), (775, 72848), (785, 71920), (899, 62800), (1160, 48670), (1240, 45530), (1256, 44950), (1450, 38936), (1550, 36424), (1570, 35960), (1798, 31400), (2320, 24335), (2480, 22765), (2512, 22475), (2900, 19468), (3100, 18212), (3140, 17980), (3596, 15700), (3925, 14384), (4495, 12560), (4553, 12400), (4867, 11600), (5800, 9734), (6200, 9106), (6280, 8990), (7192, 7850)]