2790962020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{4091}}^1$

素因数の和:4561

約数の個数: 96

約数和(自身を含む): 7325531136

約数和(自身を除く): 4534569116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 443, 770, 886, 1540, 1772, 2215, 3101, 4091, 4430, 4873, 6202, 8182, 8860, 9746, 12404, 15505, 16364, 19492, 20455, 24365, 28637, 31010, 34111, 40910, 45001, 48730, 57274, 62020, 68222, 81820, 90002, 97460, 114548, 136444, 143185, 170555, 180004, 225005, 286370, 315007, 341110, 450010, 572740, 630014, 682220, 900020, 1260028, 1575035, 1812313, 3150070, 3624626, 6300140, 7249252, 9061565, 12686191, 18123130, 19935443, 25372382, 36246260, 39870886, 50744764, 63430955, 79741772, 99677215, 126861910, 139548101, 199354430, 253723820, 279096202, 398708860, 558192404, 697740505, 1395481010, 2790962020]

約数ペア:

[(1, 2790962020), (2, 1395481010), (4, 697740505), (5, 558192404), (7, 398708860), (10, 279096202), (11, 253723820), (14, 199354430), (20, 139548101), (22, 126861910), (28, 99677215), (35, 79741772), (44, 63430955), (55, 50744764), (70, 39870886), (77, 36246260), (110, 25372382), (140, 19935443), (154, 18123130), (220, 12686191), (308, 9061565), (385, 7249252), (443, 6300140), (770, 3624626), (886, 3150070), (1540, 1812313), (1772, 1575035), (2215, 1260028), (3101, 900020), (4091, 682220), (4430, 630014), (4873, 572740), (6202, 450010), (8182, 341110), (8860, 315007), (9746, 286370), (12404, 225005), (15505, 180004), (16364, 170555), (19492, 143185), (20455, 136444), (24365, 114548), (28637, 97460), (31010, 90002), (34111, 81820), (40910, 68222), (45001, 62020), (48730, 57274)]