248719180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 570327408

約数和(自身を除く): 321608228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 370, 578, 629, 740, 1156, 1163, 1258, 1445, 2326, 2516, 2890, 3145, 4652, 5780, 5815, 6290, 10693, 11630, 12580, 19771, 21386, 23260, 39542, 42772, 43031, 53465, 79084, 86062, 98855, 106930, 172124, 197710, 213860, 215155, 336107, 395420, 430310, 672214, 731527, 860620, 1344428, 1463054, 1680535, 2926108, 3361070, 3657635, 6722140, 7315270, 12435959, 14630540, 24871918, 49743836, 62179795, 124359590, 248719180]

約数ペア:

[(1, 248719180), (2, 124359590), (4, 62179795), (5, 49743836), (10, 24871918), (17, 14630540), (20, 12435959), (34, 7315270), (37, 6722140), (68, 3657635), (74, 3361070), (85, 2926108), (148, 1680535), (170, 1463054), (185, 1344428), (289, 860620), (340, 731527), (370, 672214), (578, 430310), (629, 395420), (740, 336107), (1156, 215155), (1163, 213860), (1258, 197710), (1445, 172124), (2326, 106930), (2516, 98855), (2890, 86062), (3145, 79084), (4652, 53465), (5780, 43031), (5815, 42772), (6290, 39542), (10693, 23260), (11630, 21386), (12580, 19771)]