202429720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82963}}^1$

素因数の和:83035

約数の個数: 32

約数和(自身を含む): 462939120

約数和(自身を除く): 260509400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82963, 165926, 331852, 414815, 663704, 829630, 1659260, 3318520, 5060743, 10121486, 20242972, 25303715, 40485944, 50607430, 101214860, 202429720]

約数ペア:

[(1, 202429720), (2, 101214860), (4, 50607430), (5, 40485944), (8, 25303715), (10, 20242972), (20, 10121486), (40, 5060743), (61, 3318520), (122, 1659260), (244, 829630), (305, 663704), (488, 414815), (610, 331852), (1220, 165926), (2440, 82963)]