315280420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1061

約数の個数: 96

約数和(自身を含む): 819737856

約数和(自身を除く): 504457436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 211, 260, 364, 422, 455, 821, 844, 910, 1055, 1477, 1642, 1820, 2110, 2743, 2954, 3284, 4105, 4220, 5486, 5747, 5908, 7385, 8210, 10673, 10972, 11494, 13715, 14770, 16420, 19201, 21346, 22988, 27430, 28735, 29540, 38402, 42692, 53365, 54860, 57470, 74711, 76804, 96005, 106730, 114940, 149422, 173231, 192010, 213460, 298844, 346462, 373555, 384020, 692924, 747110, 866155, 1212617, 1494220, 1732310, 2252003, 2425234, 3464620, 4504006, 4850468, 6063085, 9008012, 11260015, 12126170, 15764021, 22520030, 24252340, 31528042, 45040060, 63056084, 78820105, 157640210, 315280420]

約数ペア:

[(1, 315280420), (2, 157640210), (4, 78820105), (5, 63056084), (7, 45040060), (10, 31528042), (13, 24252340), (14, 22520030), (20, 15764021), (26, 12126170), (28, 11260015), (35, 9008012), (52, 6063085), (65, 4850468), (70, 4504006), (91, 3464620), (130, 2425234), (140, 2252003), (182, 1732310), (211, 1494220), (260, 1212617), (364, 866155), (422, 747110), (455, 692924), (821, 384020), (844, 373555), (910, 346462), (1055, 298844), (1477, 213460), (1642, 192010), (1820, 173231), (2110, 149422), (2743, 114940), (2954, 106730), (3284, 96005), (4105, 76804), (4220, 74711), (5486, 57470), (5747, 54860), (5908, 53365), (7385, 42692), (8210, 38402), (10673, 29540), (10972, 28735), (11494, 27430), (13715, 22988), (14770, 21346), (16420, 19201)]