220120624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 479969280

約数和(自身を除く): 259848656

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 191, 223, 272, 304, 323, 382, 446, 646, 764, 892, 1292, 1528, 1784, 2584, 3056, 3247, 3568, 3629, 3791, 4237, 5168, 6494, 7258, 7582, 8474, 12988, 14516, 15164, 16948, 25976, 29032, 30328, 33896, 42593, 51952, 58064, 60656, 61693, 67792, 72029, 85186, 123386, 144058, 170372, 246772, 288116, 340744, 493544, 576232, 681488, 724081, 809267, 987088, 1152464, 1448162, 1618534, 2896324, 3237068, 5792648, 6474136, 11585296, 12948272, 13757539, 27515078, 55030156, 110060312, 220120624]

約数ペア:

[(1, 220120624), (2, 110060312), (4, 55030156), (8, 27515078), (16, 13757539), (17, 12948272), (19, 11585296), (34, 6474136), (38, 5792648), (68, 3237068), (76, 2896324), (136, 1618534), (152, 1448162), (191, 1152464), (223, 987088), (272, 809267), (304, 724081), (323, 681488), (382, 576232), (446, 493544), (646, 340744), (764, 288116), (892, 246772), (1292, 170372), (1528, 144058), (1784, 123386), (2584, 85186), (3056, 72029), (3247, 67792), (3568, 61693), (3629, 60656), (3791, 58064), (4237, 51952), (5168, 42593), (6494, 33896), (7258, 30328), (7582, 29032), (8474, 25976), (12988, 16948), (14516, 15164)]