2757201220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 6037113600

約数和(自身を除く): 3279912380

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 139, 142, 229, 244, 278, 284, 305, 355, 458, 556, 610, 695, 710, 916, 1145, 1220, 1390, 1420, 2290, 2780, 4331, 4580, 8479, 8662, 9869, 13969, 16259, 16958, 17324, 19738, 21655, 27938, 31831, 32518, 33916, 39476, 42395, 43310, 49345, 55876, 63662, 65036, 69845, 81295, 84790, 86620, 98690, 127324, 139690, 159155, 162590, 169580, 197380, 279380, 318310, 325180, 602009, 636620, 991799, 1204018, 1941691, 1983598, 2260001, 2408036, 3010045, 3883382, 3967196, 4520002, 4958995, 6020090, 7766764, 9040004, 9708455, 9917990, 11300005, 12040180, 19416910, 19835980, 22600010, 38833820, 45200020, 137860061, 275720122, 551440244, 689300305, 1378600610, 2757201220]

約数ペア:

[(1, 2757201220), (2, 1378600610), (4, 689300305), (5, 551440244), (10, 275720122), (20, 137860061), (61, 45200020), (71, 38833820), (122, 22600010), (139, 19835980), (142, 19416910), (229, 12040180), (244, 11300005), (278, 9917990), (284, 9708455), (305, 9040004), (355, 7766764), (458, 6020090), (556, 4958995), (610, 4520002), (695, 3967196), (710, 3883382), (916, 3010045), (1145, 2408036), (1220, 2260001), (1390, 1983598), (1420, 1941691), (2290, 1204018), (2780, 991799), (4331, 636620), (4580, 602009), (8479, 325180), (8662, 318310), (9869, 279380), (13969, 197380), (16259, 169580), (16958, 162590), (17324, 159155), (19738, 139690), (21655, 127324), (27938, 98690), (31831, 86620), (32518, 84790), (33916, 81295), (39476, 69845), (42395, 65036), (43310, 63662), (49345, 55876)]