635048020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 1521434880

約数和(自身を除く): 886386860

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 37, 38, 47, 62, 74, 76, 94, 95, 124, 148, 155, 185, 188, 190, 235, 310, 370, 380, 470, 589, 620, 703, 740, 893, 940, 961, 1147, 1178, 1406, 1457, 1739, 1786, 1922, 2294, 2356, 2812, 2914, 2945, 3478, 3515, 3572, 3844, 4465, 4588, 4805, 5735, 5828, 5890, 6956, 7030, 7285, 8695, 8930, 9610, 11470, 11780, 14060, 14570, 17390, 17860, 18259, 19220, 21793, 22940, 27683, 29140, 33041, 34780, 35557, 36518, 43586, 45167, 53909, 55366, 66082, 71114, 73036, 87172, 90334, 91295, 107818, 108965, 110732, 132164, 138415, 142228, 165205, 177785, 180668, 182590, 215636, 217930, 225835, 269545, 276830, 330410, 355570, 365180, 435860, 451670, 539090, 553660, 660820, 675583, 711140, 858173, 903340, 1024271, 1078180, 1351166, 1671179, 1716346, 2048542, 2702332, 3342358, 3377915, 3432692, 4097084, 4290865, 5121355, 6684716, 6755830, 8355895, 8581730, 10242710, 13511660, 16711790, 17163460, 20485420, 31752401, 33423580, 63504802, 127009604, 158762005, 317524010, 635048020]

約数ペア:

[(1, 635048020), (2, 317524010), (4, 158762005), (5, 127009604), (10, 63504802), (19, 33423580), (20, 31752401), (31, 20485420), (37, 17163460), (38, 16711790), (47, 13511660), (62, 10242710), (74, 8581730), (76, 8355895), (94, 6755830), (95, 6684716), (124, 5121355), (148, 4290865), (155, 4097084), (185, 3432692), (188, 3377915), (190, 3342358), (235, 2702332), (310, 2048542), (370, 1716346), (380, 1671179), (470, 1351166), (589, 1078180), (620, 1024271), (703, 903340), (740, 858173), (893, 711140), (940, 675583), (961, 660820), (1147, 553660), (1178, 539090), (1406, 451670), (1457, 435860), (1739, 365180), (1786, 355570), (1922, 330410), (2294, 276830), (2356, 269545), (2812, 225835), (2914, 217930), (2945, 215636), (3478, 182590), (3515, 180668), (3572, 177785), (3844, 165205), (4465, 142228), (4588, 138415), (4805, 132164), (5735, 110732), (5828, 108965), (5890, 107818), (6956, 91295), (7030, 90334), (7285, 87172), (8695, 73036), (8930, 71114), (9610, 66082), (11470, 55366), (11780, 53909), (14060, 45167), (14570, 43586), (17390, 36518), (17860, 35557), (18259, 34780), (19220, 33041), (21793, 29140), (22940, 27683)]