149723800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 387865800

約数和(自身を除く): 238142000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 41, 50, 62, 76, 82, 95, 100, 124, 152, 155, 164, 190, 200, 205, 248, 310, 328, 380, 410, 475, 589, 620, 760, 775, 779, 820, 950, 961, 1025, 1178, 1240, 1271, 1550, 1558, 1640, 1900, 1922, 2050, 2356, 2542, 2945, 3100, 3116, 3800, 3844, 3895, 4100, 4712, 4805, 5084, 5890, 6200, 6232, 6355, 7688, 7790, 8200, 9610, 10168, 11780, 12710, 14725, 15580, 18259, 19220, 19475, 23560, 24025, 24149, 25420, 29450, 31160, 31775, 36518, 38440, 38950, 39401, 48050, 48298, 50840, 58900, 63550, 73036, 77900, 78802, 91295, 96100, 96596, 117800, 120745, 127100, 146072, 155800, 157604, 182590, 192200, 193192, 197005, 241490, 254200, 315208, 365180, 394010, 456475, 482980, 603725, 730360, 748619, 788020, 912950, 965960, 985025, 1207450, 1497238, 1576040, 1825900, 1970050, 2414900, 2994476, 3651800, 3743095, 3940100, 4829800, 5988952, 7486190, 7880200, 14972380, 18715475, 29944760, 37430950, 74861900, 149723800]

約数ペア:

[(1, 149723800), (2, 74861900), (4, 37430950), (5, 29944760), (8, 18715475), (10, 14972380), (19, 7880200), (20, 7486190), (25, 5988952), (31, 4829800), (38, 3940100), (40, 3743095), (41, 3651800), (50, 2994476), (62, 2414900), (76, 1970050), (82, 1825900), (95, 1576040), (100, 1497238), (124, 1207450), (152, 985025), (155, 965960), (164, 912950), (190, 788020), (200, 748619), (205, 730360), (248, 603725), (310, 482980), (328, 456475), (380, 394010), (410, 365180), (475, 315208), (589, 254200), (620, 241490), (760, 197005), (775, 193192), (779, 192200), (820, 182590), (950, 157604), (961, 155800), (1025, 146072), (1178, 127100), (1240, 120745), (1271, 117800), (1550, 96596), (1558, 96100), (1640, 91295), (1900, 78802), (1922, 77900), (2050, 73036), (2356, 63550), (2542, 58900), (2945, 50840), (3100, 48298), (3116, 48050), (3800, 39401), (3844, 38950), (3895, 38440), (4100, 36518), (4712, 31775), (4805, 31160), (5084, 29450), (5890, 25420), (6200, 24149), (6232, 24025), (6355, 23560), (7688, 19475), (7790, 19220), (8200, 18259), (9610, 15580), (10168, 14725), (11780, 12710)]