2553980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 6773760

約数和(自身を除く): 4219780

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 47, 52, 55, 65, 76, 94, 95, 110, 130, 143, 188, 190, 209, 220, 235, 247, 260, 286, 380, 418, 470, 494, 517, 572, 611, 715, 836, 893, 940, 988, 1034, 1045, 1222, 1235, 1430, 1786, 2068, 2090, 2444, 2470, 2585, 2717, 2860, 3055, 3572, 4180, 4465, 4940, 5170, 5434, 6110, 6721, 8930, 9823, 10340, 10868, 11609, 12220, 13442, 13585, 17860, 19646, 23218, 26884, 27170, 33605, 39292, 46436, 49115, 54340, 58045, 67210, 98230, 116090, 127699, 134420, 196460, 232180, 255398, 510796, 638495, 1276990, 2553980]

約数ペア:

[(1, 2553980), (2, 1276990), (4, 638495), (5, 510796), (10, 255398), (11, 232180), (13, 196460), (19, 134420), (20, 127699), (22, 116090), (26, 98230), (38, 67210), (44, 58045), (47, 54340), (52, 49115), (55, 46436), (65, 39292), (76, 33605), (94, 27170), (95, 26884), (110, 23218), (130, 19646), (143, 17860), (188, 13585), (190, 13442), (209, 12220), (220, 11609), (235, 10868), (247, 10340), (260, 9823), (286, 8930), (380, 6721), (418, 6110), (470, 5434), (494, 5170), (517, 4940), (572, 4465), (611, 4180), (715, 3572), (836, 3055), (893, 2860), (940, 2717), (988, 2585), (1034, 2470), (1045, 2444), (1222, 2090), (1235, 2068), (1430, 1786)]