345996880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70901}}^1$

素因数の和:70975

約数の個数: 40

約数和(自身を含む): 817641864

約数和(自身を除く): 471644984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 70901, 141802, 283604, 354505, 567208, 709010, 1134416, 1418020, 2836040, 4324961, 5672080, 8649922, 17299844, 21624805, 34599688, 43249610, 69199376, 86499220, 172998440, 345996880]

約数ペア:

[(1, 345996880), (2, 172998440), (4, 86499220), (5, 69199376), (8, 43249610), (10, 34599688), (16, 21624805), (20, 17299844), (40, 8649922), (61, 5672080), (80, 4324961), (122, 2836040), (244, 1418020), (305, 1134416), (488, 709010), (610, 567208), (976, 354505), (1220, 283604), (2440, 141802), (4880, 70901)]