400857660

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{11783}}^1$

素因数の和:11814

約数の個数: 144

約数和(自身を含む): 1441230336

約数和(自身を除く): 1040372676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 11783, 17010, 23566, 34020, 35349, 47132, 58915, 70698, 82481, 106047, 117830, 141396, 164962, 176745, 212094, 235660, 247443, 318141, 329924, 353490, 412405, 424188, 494886, 530235, 636282, 706980, 742329, 824810, 954423, 989772, 1060470, 1237215, 1272564, 1484658, 1590705, 1649620, 1908846, 2120940, 2226987, 2474430, 2863269, 2969316, 3181410, 3711645, 3817692, 4453974, 4772115, 4948860, 5726538, 6362820, 6680961, 7423290, 8907948, 9544230, 11134935, 11453076, 13361922, 14316345, 14846580, 19088460, 20042883, 22269870, 26723844, 28632690, 33404805, 40085766, 44539740, 57265380, 66809610, 80171532, 100214415, 133619220, 200428830, 400857660]

約数ペア:

[(1, 400857660), (2, 200428830), (3, 133619220), (4, 100214415), (5, 80171532), (6, 66809610), (7, 57265380), (9, 44539740), (10, 40085766), (12, 33404805), (14, 28632690), (15, 26723844), (18, 22269870), (20, 20042883), (21, 19088460), (27, 14846580), (28, 14316345), (30, 13361922), (35, 11453076), (36, 11134935), (42, 9544230), (45, 8907948), (54, 7423290), (60, 6680961), (63, 6362820), (70, 5726538), (81, 4948860), (84, 4772115), (90, 4453974), (105, 3817692), (108, 3711645), (126, 3181410), (135, 2969316), (140, 2863269), (162, 2474430), (180, 2226987), (189, 2120940), (210, 1908846), (243, 1649620), (252, 1590705), (270, 1484658), (315, 1272564), (324, 1237215), (378, 1060470), (405, 989772), (420, 954423), (486, 824810), (540, 742329), (567, 706980), (630, 636282), (756, 530235), (810, 494886), (945, 424188), (972, 412405), (1134, 353490), (1215, 329924), (1260, 318141), (1620, 247443), (1701, 235660), (1890, 212094), (2268, 176745), (2430, 164962), (2835, 141396), (3402, 117830), (3780, 106047), (4860, 82481), (5670, 70698), (6804, 58915), (8505, 47132), (11340, 35349), (11783, 34020), (17010, 23566)]