221027440

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4231}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 514797408

約数和(自身を除く): 293769968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 4231, 5224, 6530, 8462, 10448, 13060, 16924, 21155, 26120, 33848, 42310, 52240, 67696, 84620, 169240, 338480, 2762843, 5525686, 11051372, 13814215, 22102744, 27628430, 44205488, 55256860, 110513720, 221027440]

約数ペア:

[(1, 221027440), (2, 110513720), (4, 55256860), (5, 44205488), (8, 27628430), (10, 22102744), (16, 13814215), (20, 11051372), (40, 5525686), (80, 2762843), (653, 338480), (1306, 169240), (2612, 84620), (3265, 67696), (4231, 52240), (5224, 42310), (6530, 33848), (8462, 26120), (10448, 21155), (13060, 16924)]