38718680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 117089280

約数和(自身を除く): 78370600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 967, 1001, 1144, 1430, 1540, 1820, 1934, 2002, 2860, 3080, 3640, 3868, 4004, 4835, 5005, 5720, 6769, 7736, 8008, 9670, 10010, 10637, 12571, 13538, 19340, 20020, 21274, 25142, 27076, 33845, 38680, 40040, 42548, 50284, 53185, 54152, 62855, 67690, 74459, 85096, 87997, 100568, 106370, 125710, 135380, 138281, 148918, 175994, 212740, 251420, 270760, 276562, 297836, 351988, 372295, 425480, 439985, 502840, 553124, 595672, 691405, 703976, 744590, 879970, 967967, 1106248, 1382810, 1489180, 1759940, 1935934, 2765620, 2978360, 3519880, 3871868, 4839835, 5531240, 7743736, 9679670, 19359340, 38718680]

約数ペア:

[(1, 38718680), (2, 19359340), (4, 9679670), (5, 7743736), (7, 5531240), (8, 4839835), (10, 3871868), (11, 3519880), (13, 2978360), (14, 2765620), (20, 1935934), (22, 1759940), (26, 1489180), (28, 1382810), (35, 1106248), (40, 967967), (44, 879970), (52, 744590), (55, 703976), (56, 691405), (65, 595672), (70, 553124), (77, 502840), (88, 439985), (91, 425480), (104, 372295), (110, 351988), (130, 297836), (140, 276562), (143, 270760), (154, 251420), (182, 212740), (220, 175994), (260, 148918), (280, 138281), (286, 135380), (308, 125710), (364, 106370), (385, 100568), (440, 87997), (455, 85096), (520, 74459), (572, 67690), (616, 62855), (715, 54152), (728, 53185), (770, 50284), (910, 42548), (967, 40040), (1001, 38680), (1144, 33845), (1430, 27076), (1540, 25142), (1820, 21274), (1934, 20020), (2002, 19340), (2860, 13538), (3080, 12571), (3640, 10637), (3868, 10010), (4004, 9670), (4835, 8008), (5005, 7736), (5720, 6769)]