521321240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{5669}}^1$

素因数の和:5721

約数の個数: 96

約数和(自身を含む): 1357398000

約数和(自身を除く): 836076760

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, 4180, 4598, 4840, 5669, 8360, 9196, 11338, 11495, 18392, 22676, 22990, 28345, 45352, 45980, 56690, 62359, 91960, 107711, 113380, 124718, 215422, 226760, 249436, 311795, 430844, 498872, 538555, 623590, 685949, 861688, 1077110, 1184821, 1247180, 1371898, 2154220, 2369642, 2494360, 2743796, 3429745, 4308440, 4739284, 5487592, 5924105, 6859490, 9478568, 11848210, 13033031, 13718980, 23696420, 26066062, 27437960, 47392840, 52132124, 65165155, 104264248, 130330310, 260660620, 521321240]

約数ペア:

[(1, 521321240), (2, 260660620), (4, 130330310), (5, 104264248), (8, 65165155), (10, 52132124), (11, 47392840), (19, 27437960), (20, 26066062), (22, 23696420), (38, 13718980), (40, 13033031), (44, 11848210), (55, 9478568), (76, 6859490), (88, 5924105), (95, 5487592), (110, 4739284), (121, 4308440), (152, 3429745), (190, 2743796), (209, 2494360), (220, 2369642), (242, 2154220), (380, 1371898), (418, 1247180), (440, 1184821), (484, 1077110), (605, 861688), (760, 685949), (836, 623590), (968, 538555), (1045, 498872), (1210, 430844), (1672, 311795), (2090, 249436), (2299, 226760), (2420, 215422), (4180, 124718), (4598, 113380), (4840, 107711), (5669, 91960), (8360, 62359), (9196, 56690), (11338, 45980), (11495, 45352), (18392, 28345), (22676, 22990)]