28267400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 76572480

約数和(自身を除く): 48305080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 70, 100, 122, 140, 175, 200, 244, 280, 305, 331, 350, 427, 488, 610, 662, 700, 854, 1220, 1324, 1400, 1525, 1655, 1708, 2135, 2317, 2440, 2648, 3050, 3310, 3416, 4270, 4634, 6100, 6620, 8275, 8540, 9268, 10675, 11585, 12200, 13240, 16550, 17080, 18536, 20191, 21350, 23170, 33100, 40382, 42700, 46340, 57925, 66200, 80764, 85400, 92680, 100955, 115850, 141337, 161528, 201910, 231700, 282674, 403820, 463400, 504775, 565348, 706685, 807640, 1009550, 1130696, 1413370, 2019100, 2826740, 3533425, 4038200, 5653480, 7066850, 14133700, 28267400]

約数ペア:

[(1, 28267400), (2, 14133700), (4, 7066850), (5, 5653480), (7, 4038200), (8, 3533425), (10, 2826740), (14, 2019100), (20, 1413370), (25, 1130696), (28, 1009550), (35, 807640), (40, 706685), (50, 565348), (56, 504775), (61, 463400), (70, 403820), (100, 282674), (122, 231700), (140, 201910), (175, 161528), (200, 141337), (244, 115850), (280, 100955), (305, 92680), (331, 85400), (350, 80764), (427, 66200), (488, 57925), (610, 46340), (662, 42700), (700, 40382), (854, 33100), (1220, 23170), (1324, 21350), (1400, 20191), (1525, 18536), (1655, 17080), (1708, 16550), (2135, 13240), (2317, 12200), (2440, 11585), (2648, 10675), (3050, 9268), (3310, 8540), (3416, 8275), (4270, 6620), (4634, 6100)]