1542580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 3704400

約数和(自身を除く): 2161820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 349, 442, 698, 884, 1105, 1396, 1745, 2210, 3490, 4420, 4537, 5933, 6980, 9074, 11866, 18148, 22685, 23732, 29665, 45370, 59330, 77129, 90740, 118660, 154258, 308516, 385645, 771290, 1542580]

約数ペア:

[(1, 1542580), (2, 771290), (4, 385645), (5, 308516), (10, 154258), (13, 118660), (17, 90740), (20, 77129), (26, 59330), (34, 45370), (52, 29665), (65, 23732), (68, 22685), (85, 18148), (130, 11866), (170, 9074), (221, 6980), (260, 5933), (340, 4537), (349, 4420), (442, 3490), (698, 2210), (884, 1745), (1105, 1396)]