2501959240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 6340187520

約数和(自身を除く): 3838228280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 313, 370, 407, 440, 491, 626, 740, 814, 982, 1252, 1480, 1565, 1628, 1964, 2035, 2455, 2504, 3130, 3256, 3443, 3928, 4070, 4910, 5401, 6260, 6886, 8140, 9820, 10802, 11581, 12520, 13772, 16280, 17215, 18167, 19640, 21604, 23162, 27005, 27544, 34430, 36334, 43208, 46324, 54010, 57905, 68860, 72668, 90835, 92648, 108020, 115810, 127391, 137720, 145336, 153683, 181670, 199837, 216040, 231620, 254782, 307366, 363340, 399674, 463240, 509564, 614732, 636955, 726680, 768415, 799348, 999185, 1019128, 1229464, 1273910, 1536830, 1598696, 1690513, 1998370, 2547820, 3073660, 3381026, 3996740, 5095640, 5686271, 6147320, 6762052, 7993480, 8452565, 11372542, 13524104, 16905130, 22745084, 28431355, 33810260, 45490168, 56862710, 62548981, 67620520, 113725420, 125097962, 227450840, 250195924, 312744905, 500391848, 625489810, 1250979620, 2501959240]

約数ペア:

[(1, 2501959240), (2, 1250979620), (4, 625489810), (5, 500391848), (8, 312744905), (10, 250195924), (11, 227450840), (20, 125097962), (22, 113725420), (37, 67620520), (40, 62548981), (44, 56862710), (55, 45490168), (74, 33810260), (88, 28431355), (110, 22745084), (148, 16905130), (185, 13524104), (220, 11372542), (296, 8452565), (313, 7993480), (370, 6762052), (407, 6147320), (440, 5686271), (491, 5095640), (626, 3996740), (740, 3381026), (814, 3073660), (982, 2547820), (1252, 1998370), (1480, 1690513), (1565, 1598696), (1628, 1536830), (1964, 1273910), (2035, 1229464), (2455, 1019128), (2504, 999185), (3130, 799348), (3256, 768415), (3443, 726680), (3928, 636955), (4070, 614732), (4910, 509564), (5401, 463240), (6260, 399674), (6886, 363340), (8140, 307366), (9820, 254782), (10802, 231620), (11581, 216040), (12520, 199837), (13772, 181670), (16280, 153683), (17215, 145336), (18167, 137720), (19640, 127391), (21604, 115810), (23162, 108020), (27005, 92648), (27544, 90835), (34430, 72668), (36334, 68860), (43208, 57905), (46324, 54010)]