2174788220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 5287905504

約数和(自身を除く): 3113117284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 53, 55, 71, 74, 106, 110, 142, 148, 185, 212, 220, 265, 284, 355, 370, 407, 530, 583, 710, 740, 781, 814, 1060, 1166, 1420, 1562, 1628, 1961, 2035, 2332, 2627, 2915, 3124, 3763, 3905, 3922, 4070, 5041, 5254, 5830, 7526, 7810, 7844, 8140, 9805, 10082, 10508, 11660, 13135, 15052, 15620, 18815, 19610, 20164, 21571, 25205, 26270, 28897, 37630, 39220, 41393, 43142, 50410, 52540, 55451, 57794, 75260, 82786, 86284, 100820, 107855, 110902, 115588, 139231, 144485, 165572, 186517, 206965, 215710, 221804, 267173, 277255, 278462, 288970, 373034, 413930, 431420, 534346, 554510, 556924, 577940, 696155, 746068, 827860, 932585, 1068692, 1109020, 1335865, 1392310, 1531541, 1865170, 2051687, 2671730, 2784620, 2938903, 3063082, 3730340, 4103374, 5343460, 5877806, 6126164, 7657705, 8206748, 9885401, 10258435, 11755612, 14694515, 15315410, 19770802, 20516870, 29389030, 30630820, 39541604, 41033740, 49427005, 58778060, 98854010, 108739411, 197708020, 217478822, 434957644, 543697055, 1087394110, 2174788220]

約数ペア:

[(1, 2174788220), (2, 1087394110), (4, 543697055), (5, 434957644), (10, 217478822), (11, 197708020), (20, 108739411), (22, 98854010), (37, 58778060), (44, 49427005), (53, 41033740), (55, 39541604), (71, 30630820), (74, 29389030), (106, 20516870), (110, 19770802), (142, 15315410), (148, 14694515), (185, 11755612), (212, 10258435), (220, 9885401), (265, 8206748), (284, 7657705), (355, 6126164), (370, 5877806), (407, 5343460), (530, 4103374), (583, 3730340), (710, 3063082), (740, 2938903), (781, 2784620), (814, 2671730), (1060, 2051687), (1166, 1865170), (1420, 1531541), (1562, 1392310), (1628, 1335865), (1961, 1109020), (2035, 1068692), (2332, 932585), (2627, 827860), (2915, 746068), (3124, 696155), (3763, 577940), (3905, 556924), (3922, 554510), (4070, 534346), (5041, 431420), (5254, 413930), (5830, 373034), (7526, 288970), (7810, 278462), (7844, 277255), (8140, 267173), (9805, 221804), (10082, 215710), (10508, 206965), (11660, 186517), (13135, 165572), (15052, 144485), (15620, 139231), (18815, 115588), (19610, 110902), (20164, 107855), (21571, 100820), (25205, 86284), (26270, 82786), (28897, 75260), (37630, 57794), (39220, 55451), (41393, 52540), (43142, 50410)]