1994012020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1110

約数の個数: 192

約数和(自身を含む): 5682733056

約数和(自身を除く): 3688721036

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 103, 110, 130, 140, 143, 154, 182, 206, 220, 260, 286, 308, 364, 385, 412, 455, 515, 572, 715, 721, 770, 910, 967, 1001, 1030, 1133, 1339, 1430, 1442, 1540, 1820, 1934, 2002, 2060, 2266, 2678, 2860, 2884, 3605, 3868, 4004, 4532, 4835, 5005, 5356, 5665, 6695, 6769, 7210, 7931, 9373, 9670, 10010, 10637, 11330, 12571, 13390, 13538, 14420, 14729, 15862, 18746, 19340, 20020, 21274, 22660, 25142, 26780, 27076, 29458, 31724, 33845, 37492, 39655, 42548, 46865, 50284, 53185, 58916, 62855, 67690, 73645, 74459, 79310, 87997, 93730, 99601, 103103, 106370, 125710, 135380, 138281, 147290, 148918, 158620, 175994, 187460, 199202, 206206, 212740, 251420, 276562, 294580, 297836, 351988, 372295, 398404, 412412, 439985, 498005, 515515, 553124, 691405, 697207, 744590, 879970, 967967, 996010, 1031030, 1095611, 1294813, 1382810, 1394414, 1489180, 1759940, 1935934, 1992020, 2062060, 2191222, 2589626, 2765620, 2788828, 3486035, 3871868, 4382444, 4839835, 5179252, 5478055, 6474065, 6972070, 7669277, 9063691, 9679670, 10956110, 12948130, 13944140, 14242943, 15338554, 18127382, 19359340, 21912220, 25896260, 28485886, 30677108, 36254764, 38346385, 45318455, 56971772, 71214715, 76692770, 90636910, 99700601, 142429430, 153385540, 181273820, 199401202, 284858860, 398802404, 498503005, 997006010, 1994012020]

約数ペア:

[(1, 1994012020), (2, 997006010), (4, 498503005), (5, 398802404), (7, 284858860), (10, 199401202), (11, 181273820), (13, 153385540), (14, 142429430), (20, 99700601), (22, 90636910), (26, 76692770), (28, 71214715), (35, 56971772), (44, 45318455), (52, 38346385), (55, 36254764), (65, 30677108), (70, 28485886), (77, 25896260), (91, 21912220), (103, 19359340), (110, 18127382), (130, 15338554), (140, 14242943), (143, 13944140), (154, 12948130), (182, 10956110), (206, 9679670), (220, 9063691), (260, 7669277), (286, 6972070), (308, 6474065), (364, 5478055), (385, 5179252), (412, 4839835), (455, 4382444), (515, 3871868), (572, 3486035), (715, 2788828), (721, 2765620), (770, 2589626), (910, 2191222), (967, 2062060), (1001, 1992020), (1030, 1935934), (1133, 1759940), (1339, 1489180), (1430, 1394414), (1442, 1382810), (1540, 1294813), (1820, 1095611), (1934, 1031030), (2002, 996010), (2060, 967967), (2266, 879970), (2678, 744590), (2860, 697207), (2884, 691405), (3605, 553124), (3868, 515515), (4004, 498005), (4532, 439985), (4835, 412412), (5005, 398404), (5356, 372295), (5665, 351988), (6695, 297836), (6769, 294580), (7210, 276562), (7931, 251420), (9373, 212740), (9670, 206206), (10010, 199202), (10637, 187460), (11330, 175994), (12571, 158620), (13390, 148918), (13538, 147290), (14420, 138281), (14729, 135380), (15862, 125710), (18746, 106370), (19340, 103103), (20020, 99601), (21274, 93730), (22660, 87997), (25142, 79310), (26780, 74459), (27076, 73645), (29458, 67690), (31724, 62855), (33845, 58916), (37492, 53185), (39655, 50284), (42548, 46865)]