1994080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 5228496

約数和(自身を除く): 3234416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 121, 160, 176, 206, 220, 242, 352, 412, 440, 484, 515, 605, 824, 880, 968, 1030, 1133, 1210, 1648, 1760, 1936, 2060, 2266, 2420, 3296, 3872, 4120, 4532, 4840, 5665, 8240, 9064, 9680, 11330, 12463, 16480, 18128, 19360, 22660, 24926, 36256, 45320, 49852, 62315, 90640, 99704, 124630, 181280, 199408, 249260, 398816, 498520, 997040, 1994080]

約数ペア:

[(1, 1994080), (2, 997040), (4, 498520), (5, 398816), (8, 249260), (10, 199408), (11, 181280), (16, 124630), (20, 99704), (22, 90640), (32, 62315), (40, 49852), (44, 45320), (55, 36256), (80, 24926), (88, 22660), (103, 19360), (110, 18128), (121, 16480), (160, 12463), (176, 11330), (206, 9680), (220, 9064), (242, 8240), (352, 5665), (412, 4840), (440, 4532), (484, 4120), (515, 3872), (605, 3296), (824, 2420), (880, 2266), (968, 2060), (1030, 1936), (1133, 1760), (1210, 1648)]