55424420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 127083264

約数和(自身を除く): 71658844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 223, 289, 340, 430, 446, 578, 731, 860, 892, 1115, 1156, 1445, 1462, 2230, 2890, 2924, 3655, 3791, 4460, 5780, 7310, 7582, 9589, 12427, 14620, 15164, 18955, 19178, 24854, 37910, 38356, 47945, 49708, 62135, 64447, 75820, 95890, 124270, 128894, 163013, 191780, 248540, 257788, 322235, 326026, 644470, 652052, 815065, 1288940, 1630130, 2771221, 3260260, 5542442, 11084884, 13856105, 27712210, 55424420]

約数ペア:

[(1, 55424420), (2, 27712210), (4, 13856105), (5, 11084884), (10, 5542442), (17, 3260260), (20, 2771221), (34, 1630130), (43, 1288940), (68, 815065), (85, 652052), (86, 644470), (170, 326026), (172, 322235), (215, 257788), (223, 248540), (289, 191780), (340, 163013), (430, 128894), (446, 124270), (578, 95890), (731, 75820), (860, 64447), (892, 62135), (1115, 49708), (1156, 47945), (1445, 38356), (1462, 37910), (2230, 24854), (2890, 19178), (2924, 18955), (3655, 15164), (3791, 14620), (4460, 12427), (5780, 9589), (7310, 7582)]