128194220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83243}}^1$

素因数の和:83270

約数の個数: 48

約数和(自身を含む): 335639808

約数和(自身を除く): 207445588

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, 770, 1540, 83243, 166486, 332972, 416215, 582701, 832430, 915673, 1165402, 1664860, 1831346, 2330804, 2913505, 3662692, 4578365, 5827010, 6409711, 9156730, 11654020, 12819422, 18313460, 25638844, 32048555, 64097110, 128194220]

約数ペア:

[(1, 128194220), (2, 64097110), (4, 32048555), (5, 25638844), (7, 18313460), (10, 12819422), (11, 11654020), (14, 9156730), (20, 6409711), (22, 5827010), (28, 4578365), (35, 3662692), (44, 2913505), (55, 2330804), (70, 1831346), (77, 1664860), (110, 1165402), (140, 915673), (154, 832430), (220, 582701), (308, 416215), (385, 332972), (770, 166486), (1540, 83243)]