402262640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 160

約数和(自身を含む): 1070931456

約数和(自身を除く): 668668816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 67, 80, 92, 104, 115, 130, 134, 184, 208, 230, 251, 260, 268, 299, 335, 368, 460, 502, 520, 536, 598, 670, 871, 920, 1004, 1040, 1072, 1196, 1255, 1340, 1495, 1541, 1742, 1840, 2008, 2392, 2510, 2680, 2990, 3082, 3263, 3484, 4016, 4355, 4784, 5020, 5360, 5773, 5980, 6164, 6526, 6968, 7705, 8710, 10040, 11546, 11960, 12328, 13052, 13936, 15410, 16315, 16817, 17420, 20033, 20080, 23092, 23920, 24656, 26104, 28865, 30820, 32630, 33634, 34840, 40066, 46184, 52208, 57730, 61640, 65260, 67268, 69680, 75049, 80132, 84085, 92368, 100165, 115460, 123280, 130520, 134536, 150098, 160264, 168170, 200330, 218621, 230920, 261040, 269072, 300196, 320528, 336340, 375245, 386791, 400660, 437242, 461840, 600392, 672680, 750490, 773582, 801320, 874484, 1093105, 1200784, 1345360, 1500980, 1547164, 1602640, 1748968, 1933955, 2186210, 3001960, 3094328, 3497936, 3867910, 4372420, 5028283, 6003920, 6188656, 7735820, 8744840, 10056566, 15471640, 17489680, 20113132, 25141415, 30943280, 40226264, 50282830, 80452528, 100565660, 201131320, 402262640]

約数ペア:

[(1, 402262640), (2, 201131320), (4, 100565660), (5, 80452528), (8, 50282830), (10, 40226264), (13, 30943280), (16, 25141415), (20, 20113132), (23, 17489680), (26, 15471640), (40, 10056566), (46, 8744840), (52, 7735820), (65, 6188656), (67, 6003920), (80, 5028283), (92, 4372420), (104, 3867910), (115, 3497936), (130, 3094328), (134, 3001960), (184, 2186210), (208, 1933955), (230, 1748968), (251, 1602640), (260, 1547164), (268, 1500980), (299, 1345360), (335, 1200784), (368, 1093105), (460, 874484), (502, 801320), (520, 773582), (536, 750490), (598, 672680), (670, 600392), (871, 461840), (920, 437242), (1004, 400660), (1040, 386791), (1072, 375245), (1196, 336340), (1255, 320528), (1340, 300196), (1495, 269072), (1541, 261040), (1742, 230920), (1840, 218621), (2008, 200330), (2392, 168170), (2510, 160264), (2680, 150098), (2990, 134536), (3082, 130520), (3263, 123280), (3484, 115460), (4016, 100165), (4355, 92368), (4784, 84085), (5020, 80132), (5360, 75049), (5773, 69680), (5980, 67268), (6164, 65260), (6526, 61640), (6968, 57730), (7705, 52208), (8710, 46184), (10040, 40066), (11546, 34840), (11960, 33634), (12328, 32630), (13052, 30820), (13936, 28865), (15410, 26104), (16315, 24656), (16817, 23920), (17420, 23092), (20033, 20080)]