1918437080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5521}}^1$

素因数の和:5629

約数の個数: 128

約数和(自身を含む): 5295818880

約数和(自身を除く): 3377381800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 73, 85, 119, 136, 140, 146, 170, 238, 280, 292, 340, 365, 476, 511, 584, 595, 680, 730, 952, 1022, 1190, 1241, 1460, 2044, 2380, 2482, 2555, 2920, 4088, 4760, 4964, 5110, 5521, 6205, 8687, 9928, 10220, 11042, 12410, 17374, 20440, 22084, 24820, 27605, 34748, 38647, 43435, 44168, 49640, 55210, 69496, 77294, 86870, 93857, 110420, 154588, 173740, 187714, 193235, 220840, 309176, 347480, 375428, 386470, 403033, 469285, 656999, 750856, 772940, 806066, 938570, 1313998, 1545880, 1612132, 1877140, 2015165, 2627996, 2821231, 3224264, 3284995, 3754280, 4030330, 5255992, 5642462, 6569990, 6851561, 8060660, 11284924, 13139980, 13703122, 14106155, 16121320, 22569848, 26279960, 27406244, 28212310, 34257805, 47960927, 54812488, 56424620, 68515610, 95921854, 112849240, 137031220, 191843708, 239804635, 274062440, 383687416, 479609270, 959218540, 1918437080]

約数ペア:

[(1, 1918437080), (2, 959218540), (4, 479609270), (5, 383687416), (7, 274062440), (8, 239804635), (10, 191843708), (14, 137031220), (17, 112849240), (20, 95921854), (28, 68515610), (34, 56424620), (35, 54812488), (40, 47960927), (56, 34257805), (68, 28212310), (70, 27406244), (73, 26279960), (85, 22569848), (119, 16121320), (136, 14106155), (140, 13703122), (146, 13139980), (170, 11284924), (238, 8060660), (280, 6851561), (292, 6569990), (340, 5642462), (365, 5255992), (476, 4030330), (511, 3754280), (584, 3284995), (595, 3224264), (680, 2821231), (730, 2627996), (952, 2015165), (1022, 1877140), (1190, 1612132), (1241, 1545880), (1460, 1313998), (2044, 938570), (2380, 806066), (2482, 772940), (2555, 750856), (2920, 656999), (4088, 469285), (4760, 403033), (4964, 386470), (5110, 375428), (5521, 347480), (6205, 309176), (8687, 220840), (9928, 193235), (10220, 187714), (11042, 173740), (12410, 154588), (17374, 110420), (20440, 93857), (22084, 86870), (24820, 77294), (27605, 69496), (34748, 55210), (38647, 49640), (43435, 44168)]