257996200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1523}}^1$

素因数の和:1568

約数の個数: 144

約数和(自身を含む): 754014240

約数和(自身を除く): 496018040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 121, 140, 154, 175, 200, 220, 242, 275, 280, 308, 350, 385, 440, 484, 550, 605, 616, 700, 770, 847, 968, 1100, 1210, 1400, 1523, 1540, 1694, 1925, 2200, 2420, 3025, 3046, 3080, 3388, 3850, 4235, 4840, 6050, 6092, 6776, 7615, 7700, 8470, 10661, 12100, 12184, 15230, 15400, 16753, 16940, 21175, 21322, 24200, 30460, 33506, 33880, 38075, 42350, 42644, 53305, 60920, 67012, 76150, 83765, 84700, 85288, 106610, 117271, 134024, 152300, 167530, 169400, 184283, 213220, 234542, 266525, 304600, 335060, 368566, 418825, 426440, 469084, 533050, 586355, 670120, 737132, 837650, 921415, 938168, 1066100, 1172710, 1289981, 1474264, 1675300, 1842830, 2132200, 2345420, 2579962, 2931775, 3350600, 3685660, 4607075, 4690840, 5159924, 5863550, 6449905, 7371320, 9214150, 10319848, 11727100, 12899810, 18428300, 23454200, 25799620, 32249525, 36856600, 51599240, 64499050, 128998100, 257996200]

約数ペア:

[(1, 257996200), (2, 128998100), (4, 64499050), (5, 51599240), (7, 36856600), (8, 32249525), (10, 25799620), (11, 23454200), (14, 18428300), (20, 12899810), (22, 11727100), (25, 10319848), (28, 9214150), (35, 7371320), (40, 6449905), (44, 5863550), (50, 5159924), (55, 4690840), (56, 4607075), (70, 3685660), (77, 3350600), (88, 2931775), (100, 2579962), (110, 2345420), (121, 2132200), (140, 1842830), (154, 1675300), (175, 1474264), (200, 1289981), (220, 1172710), (242, 1066100), (275, 938168), (280, 921415), (308, 837650), (350, 737132), (385, 670120), (440, 586355), (484, 533050), (550, 469084), (605, 426440), (616, 418825), (700, 368566), (770, 335060), (847, 304600), (968, 266525), (1100, 234542), (1210, 213220), (1400, 184283), (1523, 169400), (1540, 167530), (1694, 152300), (1925, 134024), (2200, 117271), (2420, 106610), (3025, 85288), (3046, 84700), (3080, 83765), (3388, 76150), (3850, 67012), (4235, 60920), (4840, 53305), (6050, 42644), (6092, 42350), (6776, 38075), (7615, 33880), (7700, 33506), (8470, 30460), (10661, 24200), (12100, 21322), (12184, 21175), (15230, 16940), (15400, 16753)]