321896900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{247613}}^1$

素因数の和:247640

約数の個数: 36

約数和(自身を含む): 752251332

約数和(自身を除く): 430354432

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 247613, 495226, 990452, 1238065, 2476130, 3218969, 4952260, 6190325, 6437938, 12380650, 12875876, 16094845, 24761300, 32189690, 64379380, 80474225, 160948450, 321896900]

約数ペア:

[(1, 321896900), (2, 160948450), (4, 80474225), (5, 64379380), (10, 32189690), (13, 24761300), (20, 16094845), (25, 12875876), (26, 12380650), (50, 6437938), (52, 6190325), (65, 4952260), (100, 3218969), (130, 2476130), (260, 1238065), (325, 990452), (650, 495226), (1300, 247613)]