1738238975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 2571264000

約数和(自身を除く): 833025025

約数列:

[1, 5, 11, 25, 29, 31, 55, 79, 89, 145, 155, 275, 319, 341, 395, 445, 725, 775, 869, 899, 979, 1595, 1705, 1975, 2225, 2291, 2449, 2581, 2759, 4345, 4495, 4895, 7031, 7975, 8525, 9889, 11455, 12245, 12905, 13795, 21725, 22475, 24475, 25201, 26939, 28391, 30349, 35155, 49445, 57275, 61225, 64525, 68975, 71021, 77341, 80011, 126005, 134695, 141955, 151745, 175775, 203899, 217961, 247225, 355105, 386705, 400055, 630025, 673475, 709775, 758725, 781231, 880121, 1019495, 1089805, 1775525, 1933525, 2000275, 2242889, 2397571, 3906155, 4400605, 5097475, 5449025, 6320869, 11214445, 11987855, 19530775, 22003025, 31604345, 56072225, 59939275, 69529559, 158021725, 347647795, 1738238975]

約数ペア:

[(1, 1738238975), (5, 347647795), (11, 158021725), (25, 69529559), (29, 59939275), (31, 56072225), (55, 31604345), (79, 22003025), (89, 19530775), (145, 11987855), (155, 11214445), (275, 6320869), (319, 5449025), (341, 5097475), (395, 4400605), (445, 3906155), (725, 2397571), (775, 2242889), (869, 2000275), (899, 1933525), (979, 1775525), (1595, 1089805), (1705, 1019495), (1975, 880121), (2225, 781231), (2291, 758725), (2449, 709775), (2581, 673475), (2759, 630025), (4345, 400055), (4495, 386705), (4895, 355105), (7031, 247225), (7975, 217961), (8525, 203899), (9889, 175775), (11455, 151745), (12245, 141955), (12905, 134695), (13795, 126005), (21725, 80011), (22475, 77341), (24475, 71021), (25201, 68975), (26939, 64525), (28391, 61225), (30349, 57275), (35155, 49445)]