392554240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 1046658816

約数和(自身を除く): 654104576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 761, 806, 832, 992, 1040, 1240, 1280, 1522, 1612, 1664, 1984, 2015, 2080, 2480, 3044, 3224, 3328, 3805, 3968, 4030, 4160, 4960, 6088, 6448, 7610, 7936, 8060, 8320, 9893, 9920, 12176, 12896, 15220, 16120, 16640, 19786, 19840, 23591, 24352, 25792, 30440, 32240, 39572, 39680, 47182, 48704, 49465, 51584, 60880, 64480, 79144, 94364, 97408, 98930, 103168, 117955, 121760, 128960, 158288, 188728, 194816, 197860, 235910, 243520, 257920, 306683, 316576, 377456, 395720, 471820, 487040, 515840, 613366, 633152, 754912, 791440, 943640, 974080, 1226732, 1266304, 1509824, 1533415, 1582880, 1887280, 2453464, 2532608, 3019648, 3066830, 3165760, 3774560, 4906928, 6039296, 6133660, 6331520, 7549120, 9813856, 12267320, 12663040, 15098240, 19627712, 24534640, 30196480, 39255424, 49069280, 78510848, 98138560, 196277120, 392554240]

約数ペア:

[(1, 392554240), (2, 196277120), (4, 98138560), (5, 78510848), (8, 49069280), (10, 39255424), (13, 30196480), (16, 24534640), (20, 19627712), (26, 15098240), (31, 12663040), (32, 12267320), (40, 9813856), (52, 7549120), (62, 6331520), (64, 6133660), (65, 6039296), (80, 4906928), (104, 3774560), (124, 3165760), (128, 3066830), (130, 3019648), (155, 2532608), (160, 2453464), (208, 1887280), (248, 1582880), (256, 1533415), (260, 1509824), (310, 1266304), (320, 1226732), (403, 974080), (416, 943640), (496, 791440), (520, 754912), (620, 633152), (640, 613366), (761, 515840), (806, 487040), (832, 471820), (992, 395720), (1040, 377456), (1240, 316576), (1280, 306683), (1522, 257920), (1612, 243520), (1664, 235910), (1984, 197860), (2015, 194816), (2080, 188728), (2480, 158288), (3044, 128960), (3224, 121760), (3328, 117955), (3805, 103168), (3968, 98930), (4030, 97408), (4160, 94364), (4960, 79144), (6088, 64480), (6448, 60880), (7610, 51584), (7936, 49465), (8060, 48704), (8320, 47182), (9893, 39680), (9920, 39572), (12176, 32240), (12896, 30440), (15220, 25792), (16120, 24352), (16640, 23591), (19786, 19840)]