81129050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 171417600

約数和(自身を除く): 90288550

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 47, 50, 79, 94, 95, 115, 158, 190, 230, 235, 395, 437, 470, 475, 575, 790, 874, 893, 950, 1081, 1150, 1175, 1501, 1786, 1817, 1975, 2162, 2185, 2350, 3002, 3634, 3713, 3950, 4370, 4465, 5405, 7426, 7505, 8930, 9085, 10810, 10925, 15010, 18170, 18565, 20539, 21850, 22325, 27025, 34523, 37130, 37525, 41078, 44650, 45425, 54050, 69046, 70547, 75050, 85399, 90850, 92825, 102695, 141094, 170798, 172615, 185650, 205390, 345230, 352735, 426995, 513475, 705470, 853990, 863075, 1026950, 1622581, 1726150, 1763675, 2134975, 3245162, 3527350, 4269950, 8112905, 16225810, 40564525, 81129050]

約数ペア:

[(1, 81129050), (2, 40564525), (5, 16225810), (10, 8112905), (19, 4269950), (23, 3527350), (25, 3245162), (38, 2134975), (46, 1763675), (47, 1726150), (50, 1622581), (79, 1026950), (94, 863075), (95, 853990), (115, 705470), (158, 513475), (190, 426995), (230, 352735), (235, 345230), (395, 205390), (437, 185650), (470, 172615), (475, 170798), (575, 141094), (790, 102695), (874, 92825), (893, 90850), (950, 85399), (1081, 75050), (1150, 70547), (1175, 69046), (1501, 54050), (1786, 45425), (1817, 44650), (1975, 41078), (2162, 37525), (2185, 37130), (2350, 34523), (3002, 27025), (3634, 22325), (3713, 21850), (3950, 20539), (4370, 18565), (4465, 18170), (5405, 15010), (7426, 10925), (7505, 10810), (8930, 9085)]