238833920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 637335552

約数和(自身を除く): 398501632

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, 463, 496, 520, 620, 640, 806, 832, 926, 992, 1040, 1240, 1280, 1612, 1664, 1852, 1984, 2015, 2080, 2315, 2480, 3224, 3328, 3704, 3968, 4030, 4160, 4630, 4960, 6019, 6448, 7408, 7936, 8060, 8320, 9260, 9920, 12038, 12896, 14353, 14816, 16120, 16640, 18520, 19840, 24076, 25792, 28706, 29632, 30095, 32240, 37040, 39680, 48152, 51584, 57412, 59264, 60190, 64480, 71765, 74080, 96304, 103168, 114824, 118528, 120380, 128960, 143530, 148160, 186589, 192608, 229648, 240760, 257920, 287060, 296320, 373178, 385216, 459296, 481520, 515840, 574120, 592640, 746356, 770432, 918592, 932945, 963040, 1148240, 1492712, 1540864, 1837184, 1865890, 1926080, 2296480, 2985424, 3674368, 3731780, 3852160, 4592960, 5970848, 7463560, 7704320, 9185920, 11941696, 14927120, 18371840, 23883392, 29854240, 47766784, 59708480, 119416960, 238833920]

約数ペア:

[(1, 238833920), (2, 119416960), (4, 59708480), (5, 47766784), (8, 29854240), (10, 23883392), (13, 18371840), (16, 14927120), (20, 11941696), (26, 9185920), (31, 7704320), (32, 7463560), (40, 5970848), (52, 4592960), (62, 3852160), (64, 3731780), (65, 3674368), (80, 2985424), (104, 2296480), (124, 1926080), (128, 1865890), (130, 1837184), (155, 1540864), (160, 1492712), (208, 1148240), (248, 963040), (256, 932945), (260, 918592), (310, 770432), (320, 746356), (403, 592640), (416, 574120), (463, 515840), (496, 481520), (520, 459296), (620, 385216), (640, 373178), (806, 296320), (832, 287060), (926, 257920), (992, 240760), (1040, 229648), (1240, 192608), (1280, 186589), (1612, 148160), (1664, 143530), (1852, 128960), (1984, 120380), (2015, 118528), (2080, 114824), (2315, 103168), (2480, 96304), (3224, 74080), (3328, 71765), (3704, 64480), (3968, 60190), (4030, 59264), (4160, 57412), (4630, 51584), (4960, 48152), (6019, 39680), (6448, 37040), (7408, 32240), (7936, 30095), (8060, 29632), (8320, 28706), (9260, 25792), (9920, 24076), (12038, 19840), (12896, 18520), (14353, 16640), (14816, 16120)]