404210560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2608

約数の個数: 128

約数和(自身を含む): 1095847200

約数和(自身を除く): 691636640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 2557, 3040, 3952, 4160, 4940, 5114, 6080, 7904, 8320, 9880, 10228, 12160, 12785, 15808, 19760, 20456, 25570, 31616, 33241, 39520, 40912, 48583, 51140, 66482, 79040, 81824, 97166, 102280, 132964, 158080, 163648, 166205, 194332, 204560, 242915, 265928, 327296, 332410, 388664, 409120, 485830, 531856, 631579, 664820, 777328, 818240, 971660, 1063712, 1263158, 1329640, 1554656, 1636480, 1943320, 2127424, 2526316, 2659280, 3109312, 3157895, 3886640, 4254848, 5052632, 5318560, 6218624, 6315790, 7773280, 10105264, 10637120, 12631580, 15546560, 20210528, 21274240, 25263160, 31093120, 40421056, 50526320, 80842112, 101052640, 202105280, 404210560]

約数ペア:

[(1, 404210560), (2, 202105280), (4, 101052640), (5, 80842112), (8, 50526320), (10, 40421056), (13, 31093120), (16, 25263160), (19, 21274240), (20, 20210528), (26, 15546560), (32, 12631580), (38, 10637120), (40, 10105264), (52, 7773280), (64, 6315790), (65, 6218624), (76, 5318560), (80, 5052632), (95, 4254848), (104, 3886640), (128, 3157895), (130, 3109312), (152, 2659280), (160, 2526316), (190, 2127424), (208, 1943320), (247, 1636480), (260, 1554656), (304, 1329640), (320, 1263158), (380, 1063712), (416, 971660), (494, 818240), (520, 777328), (608, 664820), (640, 631579), (760, 531856), (832, 485830), (988, 409120), (1040, 388664), (1216, 332410), (1235, 327296), (1520, 265928), (1664, 242915), (1976, 204560), (2080, 194332), (2432, 166205), (2470, 163648), (2557, 158080), (3040, 132964), (3952, 102280), (4160, 97166), (4940, 81824), (5114, 79040), (6080, 66482), (7904, 51140), (8320, 48583), (9880, 40912), (10228, 39520), (12160, 33241), (12785, 31616), (15808, 25570), (19760, 20456)]