74861900

素因数分解:

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

素因数の和:136

約数の個数: 108

約数和(自身を含む): 181004040

約数和(自身を除く): 106142140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 41, 50, 62, 76, 82, 95, 100, 124, 155, 164, 190, 205, 310, 380, 410, 475, 589, 620, 775, 779, 820, 950, 961, 1025, 1178, 1271, 1550, 1558, 1900, 1922, 2050, 2356, 2542, 2945, 3100, 3116, 3844, 3895, 4100, 4805, 5084, 5890, 6355, 7790, 9610, 11780, 12710, 14725, 15580, 18259, 19220, 19475, 24025, 24149, 25420, 29450, 31775, 36518, 38950, 39401, 48050, 48298, 58900, 63550, 73036, 77900, 78802, 91295, 96100, 96596, 120745, 127100, 157604, 182590, 197005, 241490, 365180, 394010, 456475, 482980, 603725, 748619, 788020, 912950, 985025, 1207450, 1497238, 1825900, 1970050, 2414900, 2994476, 3743095, 3940100, 7486190, 14972380, 18715475, 37430950, 74861900]

約数ペア:

[(1, 74861900), (2, 37430950), (4, 18715475), (5, 14972380), (10, 7486190), (19, 3940100), (20, 3743095), (25, 2994476), (31, 2414900), (38, 1970050), (41, 1825900), (50, 1497238), (62, 1207450), (76, 985025), (82, 912950), (95, 788020), (100, 748619), (124, 603725), (155, 482980), (164, 456475), (190, 394010), (205, 365180), (310, 241490), (380, 197005), (410, 182590), (475, 157604), (589, 127100), (620, 120745), (775, 96596), (779, 96100), (820, 91295), (950, 78802), (961, 77900), (1025, 73036), (1178, 63550), (1271, 58900), (1550, 48298), (1558, 48050), (1900, 39401), (1922, 38950), (2050, 36518), (2356, 31775), (2542, 29450), (2945, 25420), (3100, 24149), (3116, 24025), (3844, 19475), (3895, 19220), (4100, 18259), (4805, 15580), (5084, 14725), (5890, 12710), (6355, 11780), (7790, 9610)]