77886770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4021}}^1$

素因数の和:4190

約数の個数: 32

約数和(自身を含む): 152031600

約数和(自身を除く): 74144830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 4021, 8042, 9685, 19370, 20105, 40210, 52273, 104546, 261365, 522730, 599129, 1198258, 2995645, 5991290, 7788677, 15577354, 38943385, 77886770]

約数ペア:

[(1, 77886770), (2, 38943385), (5, 15577354), (10, 7788677), (13, 5991290), (26, 2995645), (65, 1198258), (130, 599129), (149, 522730), (298, 261365), (745, 104546), (1490, 52273), (1937, 40210), (3874, 20105), (4021, 19370), (8042, 9685)]