138818680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3509

約数の個数: 128

約数和(自身を含む): 419489280

約数和(自身を除く): 280670600

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, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3467, 3640, 4004, 5005, 5720, 6934, 8008, 10010, 13868, 17335, 20020, 24269, 27736, 34670, 38137, 40040, 45071, 48538, 69340, 76274, 90142, 97076, 121345, 138680, 152548, 180284, 190685, 194152, 225355, 242690, 266959, 305096, 315497, 360568, 381370, 450710, 485380, 495781, 533918, 630994, 762740, 901420, 970760, 991562, 1067836, 1261988, 1334795, 1525480, 1577485, 1802840, 1983124, 2135672, 2478905, 2523976, 2669590, 3154970, 3470467, 3966248, 4957810, 5339180, 6309940, 6940934, 9915620, 10678360, 12619880, 13881868, 17352335, 19831240, 27763736, 34704670, 69409340, 138818680]

約数ペア:

[(1, 138818680), (2, 69409340), (4, 34704670), (5, 27763736), (7, 19831240), (8, 17352335), (10, 13881868), (11, 12619880), (13, 10678360), (14, 9915620), (20, 6940934), (22, 6309940), (26, 5339180), (28, 4957810), (35, 3966248), (40, 3470467), (44, 3154970), (52, 2669590), (55, 2523976), (56, 2478905), (65, 2135672), (70, 1983124), (77, 1802840), (88, 1577485), (91, 1525480), (104, 1334795), (110, 1261988), (130, 1067836), (140, 991562), (143, 970760), (154, 901420), (182, 762740), (220, 630994), (260, 533918), (280, 495781), (286, 485380), (308, 450710), (364, 381370), (385, 360568), (440, 315497), (455, 305096), (520, 266959), (572, 242690), (616, 225355), (715, 194152), (728, 190685), (770, 180284), (910, 152548), (1001, 138680), (1144, 121345), (1430, 97076), (1540, 90142), (1820, 76274), (2002, 69340), (2860, 48538), (3080, 45071), (3467, 40040), (3640, 38137), (4004, 34670), (5005, 27736), (5720, 24269), (6934, 20020), (8008, 17335), (10010, 13868)]