202805980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7723}}^1$

素因数の和:7846

約数の個数: 48

約数和(自身を含む): 463254624

約数和(自身を除く): 260448644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 7723, 13130, 15446, 26260, 30892, 38615, 77230, 100399, 154460, 200798, 401596, 501995, 780023, 1003990, 1560046, 2007980, 3120092, 3900115, 7800230, 10140299, 15600460, 20280598, 40561196, 50701495, 101402990, 202805980]

約数ペア:

[(1, 202805980), (2, 101402990), (4, 50701495), (5, 40561196), (10, 20280598), (13, 15600460), (20, 10140299), (26, 7800230), (52, 3900115), (65, 3120092), (101, 2007980), (130, 1560046), (202, 1003990), (260, 780023), (404, 501995), (505, 401596), (1010, 200798), (1313, 154460), (2020, 100399), (2626, 77230), (5252, 38615), (6565, 30892), (7723, 26260), (13130, 15446)]