17927140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 47803392

約数和(自身を除く): 29876252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1663, 2156, 2695, 3326, 5390, 6652, 8315, 10780, 11641, 16630, 18293, 23282, 33260, 36586, 46564, 58205, 73172, 81487, 91465, 116410, 128051, 162974, 182930, 232820, 256102, 325948, 365860, 407435, 512204, 640255, 814870, 896357, 1280510, 1629740, 1792714, 2561020, 3585428, 4481785, 8963570, 17927140]

約数ペア:

[(1, 17927140), (2, 8963570), (4, 4481785), (5, 3585428), (7, 2561020), (10, 1792714), (11, 1629740), (14, 1280510), (20, 896357), (22, 814870), (28, 640255), (35, 512204), (44, 407435), (49, 365860), (55, 325948), (70, 256102), (77, 232820), (98, 182930), (110, 162974), (140, 128051), (154, 116410), (196, 91465), (220, 81487), (245, 73172), (308, 58205), (385, 46564), (490, 36586), (539, 33260), (770, 23282), (980, 18293), (1078, 16630), (1540, 11641), (1663, 10780), (2156, 8315), (2695, 6652), (3326, 5390)]