644879950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 1529902080

約数和(自身を除く): 885022130

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 47, 50, 55, 65, 94, 95, 101, 110, 130, 143, 190, 202, 209, 235, 247, 275, 286, 325, 418, 470, 475, 494, 505, 517, 550, 611, 650, 715, 893, 950, 1010, 1034, 1045, 1111, 1175, 1222, 1235, 1313, 1430, 1786, 1919, 2090, 2222, 2350, 2470, 2525, 2585, 2626, 2717, 3055, 3575, 3838, 4465, 4747, 5050, 5170, 5225, 5434, 5555, 6110, 6175, 6565, 6721, 7150, 8930, 9494, 9595, 9823, 10450, 11110, 11609, 12350, 12925, 13130, 13442, 13585, 14443, 15275, 19190, 19646, 21109, 22325, 23218, 23735, 24947, 25850, 27170, 27775, 28886, 30550, 32825, 33605, 42218, 44650, 47470, 47975, 49115, 49894, 52217, 55550, 58045, 61711, 65650, 67210, 67925, 72215, 90193, 95950, 98230, 104434, 105545, 116090, 118675, 123422, 124735, 127699, 135850, 144430, 168025, 180386, 211090, 237350, 245575, 249470, 255398, 261085, 274417, 290225, 308555, 336050, 361075, 450965, 491150, 522170, 527725, 548834, 580450, 617110, 623675, 638495, 678821, 722150, 901930, 992123, 1055450, 1172509, 1247350, 1276990, 1305425, 1357642, 1372085, 1542775, 1984246, 2254825, 2345018, 2610850, 2744170, 3085550, 3192475, 3394105, 4509650, 4960615, 5862545, 6384950, 6788210, 6860425, 9921230, 11725090, 12897599, 13720850, 16970525, 24803075, 25795198, 29312725, 33941050, 49606150, 58625450, 64487995, 128975990, 322439975, 644879950]

約数ペア:

[(1, 644879950), (2, 322439975), (5, 128975990), (10, 64487995), (11, 58625450), (13, 49606150), (19, 33941050), (22, 29312725), (25, 25795198), (26, 24803075), (38, 16970525), (47, 13720850), (50, 12897599), (55, 11725090), (65, 9921230), (94, 6860425), (95, 6788210), (101, 6384950), (110, 5862545), (130, 4960615), (143, 4509650), (190, 3394105), (202, 3192475), (209, 3085550), (235, 2744170), (247, 2610850), (275, 2345018), (286, 2254825), (325, 1984246), (418, 1542775), (470, 1372085), (475, 1357642), (494, 1305425), (505, 1276990), (517, 1247350), (550, 1172509), (611, 1055450), (650, 992123), (715, 901930), (893, 722150), (950, 678821), (1010, 638495), (1034, 623675), (1045, 617110), (1111, 580450), (1175, 548834), (1222, 527725), (1235, 522170), (1313, 491150), (1430, 450965), (1786, 361075), (1919, 336050), (2090, 308555), (2222, 290225), (2350, 274417), (2470, 261085), (2525, 255398), (2585, 249470), (2626, 245575), (2717, 237350), (3055, 211090), (3575, 180386), (3838, 168025), (4465, 144430), (4747, 135850), (5050, 127699), (5170, 124735), (5225, 123422), (5434, 118675), (5555, 116090), (6110, 105545), (6175, 104434), (6565, 98230), (6721, 95950), (7150, 90193), (8930, 72215), (9494, 67925), (9595, 67210), (9823, 65650), (10450, 61711), (11110, 58045), (11609, 55550), (12350, 52217), (12925, 49894), (13130, 49115), (13442, 47975), (13585, 47470), (14443, 44650), (15275, 42218), (19190, 33605), (19646, 32825), (21109, 30550), (22325, 28886), (23218, 27775), (23735, 27170), (24947, 25850)]