84828920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 223776000

約数和(自身を除く): 138947080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 73, 76, 88, 95, 110, 139, 146, 152, 190, 209, 220, 278, 292, 365, 380, 418, 440, 556, 584, 695, 730, 760, 803, 836, 1045, 1112, 1387, 1390, 1460, 1529, 1606, 1672, 2090, 2641, 2774, 2780, 2920, 3058, 3212, 4015, 4180, 5282, 5548, 5560, 6116, 6424, 6935, 7645, 8030, 8360, 10147, 10564, 11096, 12232, 13205, 13870, 15257, 15290, 16060, 20294, 21128, 26410, 27740, 29051, 30514, 30580, 32120, 40588, 50735, 52820, 55480, 58102, 61028, 61160, 76285, 81176, 101470, 105640, 111617, 116204, 122056, 145255, 152570, 192793, 202940, 223234, 232408, 290510, 305140, 385586, 405880, 446468, 558085, 581020, 610280, 771172, 892936, 963965, 1116170, 1162040, 1542344, 1927930, 2120723, 2232340, 3855860, 4241446, 4464680, 7711720, 8482892, 10603615, 16965784, 21207230, 42414460, 84828920]

約数ペア:

[(1, 84828920), (2, 42414460), (4, 21207230), (5, 16965784), (8, 10603615), (10, 8482892), (11, 7711720), (19, 4464680), (20, 4241446), (22, 3855860), (38, 2232340), (40, 2120723), (44, 1927930), (55, 1542344), (73, 1162040), (76, 1116170), (88, 963965), (95, 892936), (110, 771172), (139, 610280), (146, 581020), (152, 558085), (190, 446468), (209, 405880), (220, 385586), (278, 305140), (292, 290510), (365, 232408), (380, 223234), (418, 202940), (440, 192793), (556, 152570), (584, 145255), (695, 122056), (730, 116204), (760, 111617), (803, 105640), (836, 101470), (1045, 81176), (1112, 76285), (1387, 61160), (1390, 61028), (1460, 58102), (1529, 55480), (1606, 52820), (1672, 50735), (2090, 40588), (2641, 32120), (2774, 30580), (2780, 30514), (2920, 29051), (3058, 27740), (3212, 26410), (4015, 21128), (4180, 20294), (5282, 16060), (5548, 15290), (5560, 15257), (6116, 13870), (6424, 13205), (6935, 12232), (7645, 11096), (8030, 10564), (8360, 10147)]