248935720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2759

約数の個数: 96

約数和(自身を含む): 648295200

約数和(自身を除く): 399359480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 380, 418, 440, 484, 605, 760, 836, 968, 1045, 1210, 1672, 2090, 2299, 2420, 2707, 4180, 4598, 4840, 5414, 8360, 9196, 10828, 11495, 13535, 18392, 21656, 22990, 27070, 29777, 45980, 51433, 54140, 59554, 91960, 102866, 108280, 119108, 148885, 205732, 238216, 257165, 297770, 327547, 411464, 514330, 565763, 595540, 655094, 1028660, 1131526, 1191080, 1310188, 1637735, 2057320, 2263052, 2620376, 2828815, 3275470, 4526104, 5657630, 6223393, 6550940, 11315260, 12446786, 13101880, 22630520, 24893572, 31116965, 49787144, 62233930, 124467860, 248935720]

約数ペア:

[(1, 248935720), (2, 124467860), (4, 62233930), (5, 49787144), (8, 31116965), (10, 24893572), (11, 22630520), (19, 13101880), (20, 12446786), (22, 11315260), (38, 6550940), (40, 6223393), (44, 5657630), (55, 4526104), (76, 3275470), (88, 2828815), (95, 2620376), (110, 2263052), (121, 2057320), (152, 1637735), (190, 1310188), (209, 1191080), (220, 1131526), (242, 1028660), (380, 655094), (418, 595540), (440, 565763), (484, 514330), (605, 411464), (760, 327547), (836, 297770), (968, 257165), (1045, 238216), (1210, 205732), (1672, 148885), (2090, 119108), (2299, 108280), (2420, 102866), (2707, 91960), (4180, 59554), (4598, 54140), (4840, 51433), (5414, 45980), (8360, 29777), (9196, 27070), (10828, 22990), (11495, 21656), (13535, 18392)]