1904702920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1\times {\mathrm{773}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 4325886000

約数和(自身を除く): 2421183080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 269, 458, 538, 773, 916, 1076, 1145, 1345, 1546, 1832, 2152, 2290, 2690, 3092, 3865, 4580, 5380, 6184, 7730, 9160, 10760, 15460, 30920, 61601, 123202, 177017, 207937, 246404, 308005, 354034, 415874, 492808, 616010, 708068, 831748, 885085, 1039685, 1232020, 1416136, 1663496, 1770170, 2079370, 2464040, 3540340, 4158740, 7080680, 8317480, 47617573, 95235146, 190470292, 238087865, 380940584, 476175730, 952351460, 1904702920]

約数ペア:

[(1, 1904702920), (2, 952351460), (4, 476175730), (5, 380940584), (8, 238087865), (10, 190470292), (20, 95235146), (40, 47617573), (229, 8317480), (269, 7080680), (458, 4158740), (538, 3540340), (773, 2464040), (916, 2079370), (1076, 1770170), (1145, 1663496), (1345, 1416136), (1546, 1232020), (1832, 1039685), (2152, 885085), (2290, 831748), (2690, 708068), (3092, 616010), (3865, 492808), (4580, 415874), (5380, 354034), (6184, 308005), (7730, 246404), (9160, 207937), (10760, 177017), (15460, 123202), (30920, 61601)]