397627840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30307}}^1$

素因数の和:30365

約数の個数: 56

約数和(自身を含む): 969977232

約数和(自身を除く): 572349392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 30307, 60614, 121228, 151535, 242456, 303070, 484912, 606140, 969824, 1212280, 1242587, 1939648, 2424560, 2485174, 4849120, 4970348, 6212935, 9698240, 9940696, 12425870, 19881392, 24851740, 39762784, 49703480, 79525568, 99406960, 198813920, 397627840]

約数ペア:

[(1, 397627840), (2, 198813920), (4, 99406960), (5, 79525568), (8, 49703480), (10, 39762784), (16, 24851740), (20, 19881392), (32, 12425870), (40, 9940696), (41, 9698240), (64, 6212935), (80, 4970348), (82, 4849120), (160, 2485174), (164, 2424560), (205, 1939648), (320, 1242587), (328, 1212280), (410, 969824), (656, 606140), (820, 484912), (1312, 303070), (1640, 242456), (2624, 151535), (3280, 121228), (6560, 60614), (13120, 30307)]