1880934440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2621}}^1$

素因数の和:2883

約数の個数: 128

約数和(自身を含む): 5301054720

約数和(自身を除く): 3420120280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 233, 280, 308, 385, 440, 466, 616, 770, 932, 1165, 1540, 1631, 1864, 2330, 2563, 2621, 3080, 3262, 4660, 5126, 5242, 6524, 8155, 9320, 10252, 10484, 12815, 13048, 13105, 16310, 17941, 18347, 20504, 20968, 25630, 26210, 28831, 32620, 35882, 36694, 51260, 52420, 57662, 65240, 71764, 73388, 89705, 91735, 102520, 104840, 115324, 143528, 144155, 146776, 179410, 183470, 201817, 230648, 288310, 358820, 366940, 403634, 576620, 610693, 717640, 733880, 807268, 1009085, 1153240, 1221386, 1614536, 2018170, 2442772, 3053465, 4036340, 4274851, 4885544, 6106930, 6717623, 8072680, 8549702, 12213860, 13435246, 17099404, 21374255, 24427720, 26870492, 33588115, 34198808, 42748510, 47023361, 53740984, 67176230, 85497020, 94046722, 134352460, 170994040, 188093444, 235116805, 268704920, 376186888, 470233610, 940467220, 1880934440]

約数ペア:

[(1, 1880934440), (2, 940467220), (4, 470233610), (5, 376186888), (7, 268704920), (8, 235116805), (10, 188093444), (11, 170994040), (14, 134352460), (20, 94046722), (22, 85497020), (28, 67176230), (35, 53740984), (40, 47023361), (44, 42748510), (55, 34198808), (56, 33588115), (70, 26870492), (77, 24427720), (88, 21374255), (110, 17099404), (140, 13435246), (154, 12213860), (220, 8549702), (233, 8072680), (280, 6717623), (308, 6106930), (385, 4885544), (440, 4274851), (466, 4036340), (616, 3053465), (770, 2442772), (932, 2018170), (1165, 1614536), (1540, 1221386), (1631, 1153240), (1864, 1009085), (2330, 807268), (2563, 733880), (2621, 717640), (3080, 610693), (3262, 576620), (4660, 403634), (5126, 366940), (5242, 358820), (6524, 288310), (8155, 230648), (9320, 201817), (10252, 183470), (10484, 179410), (12815, 146776), (13048, 144155), (13105, 143528), (16310, 115324), (17941, 104840), (18347, 102520), (20504, 91735), (20968, 89705), (25630, 73388), (26210, 71764), (28831, 65240), (32620, 57662), (35882, 52420), (36694, 51260)]