2180444200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^3\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 96

約数和(自身を含む): 5576785920

約数和(自身を除く): 3396341720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 1331, 2200, 2420, 2662, 3025, 4840, 5324, 6050, 6655, 8191, 10648, 12100, 13310, 16382, 24200, 26620, 32764, 33275, 40955, 53240, 65528, 66550, 81910, 90101, 133100, 163820, 180202, 204775, 266200, 327640, 360404, 409550, 450505, 720808, 819100, 901010, 991111, 1638200, 1802020, 1982222, 2252525, 3604040, 3964444, 4505050, 4955555, 7928888, 9010100, 9911110, 10902221, 18020200, 19822220, 21804442, 24777775, 39644440, 43608884, 49555550, 54511105, 87217768, 99111100, 109022210, 198222200, 218044420, 272555525, 436088840, 545111050, 1090222100, 2180444200]

約数ペア:

[(1, 2180444200), (2, 1090222100), (4, 545111050), (5, 436088840), (8, 272555525), (10, 218044420), (11, 198222200), (20, 109022210), (22, 99111100), (25, 87217768), (40, 54511105), (44, 49555550), (50, 43608884), (55, 39644440), (88, 24777775), (100, 21804442), (110, 19822220), (121, 18020200), (200, 10902221), (220, 9911110), (242, 9010100), (275, 7928888), (440, 4955555), (484, 4505050), (550, 3964444), (605, 3604040), (968, 2252525), (1100, 1982222), (1210, 1802020), (1331, 1638200), (2200, 991111), (2420, 901010), (2662, 819100), (3025, 720808), (4840, 450505), (5324, 409550), (6050, 360404), (6655, 327640), (8191, 266200), (10648, 204775), (12100, 180202), (13310, 163820), (16382, 133100), (24200, 90101), (26620, 81910), (32764, 66550), (33275, 65528), (40955, 53240)]