1986501880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{122021}}^1$

素因数の和:122080

約数の個数: 64

約数和(自身を含む): 5007782880

約数和(自身を除く): 3021281000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 122021, 244042, 488084, 610105, 976168, 1220210, 1342231, 2440420, 2684462, 4514777, 4880840, 5368924, 6711155, 9029554, 10737848, 13422310, 18059108, 22573885, 26844620, 36118216, 45147770, 49662547, 53689240, 90295540, 99325094, 180591080, 198650188, 248312735, 397300376, 496625470, 993250940, 1986501880]

約数ペア:

[(1, 1986501880), (2, 993250940), (4, 496625470), (5, 397300376), (8, 248312735), (10, 198650188), (11, 180591080), (20, 99325094), (22, 90295540), (37, 53689240), (40, 49662547), (44, 45147770), (55, 36118216), (74, 26844620), (88, 22573885), (110, 18059108), (148, 13422310), (185, 10737848), (220, 9029554), (296, 6711155), (370, 5368924), (407, 4880840), (440, 4514777), (740, 2684462), (814, 2440420), (1480, 1342231), (1628, 1220210), (2035, 976168), (3256, 610105), (4070, 488084), (8140, 244042), (16280, 122021)]