290111220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{25583}}^1$

素因数の和:25611

約数の個数: 120

約数和(自身を含む): 1040143104

約数和(自身を除く): 750031884

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, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 25583, 51166, 76749, 102332, 127915, 153498, 179081, 230247, 255830, 306996, 358162, 383745, 460494, 511660, 537243, 690741, 716324, 767490, 895405, 920988, 1074486, 1151235, 1381482, 1534980, 1611729, 1790810, 2072223, 2148972, 2302470, 2686215, 2762964, 3223458, 3453705, 3581620, 4144446, 4604940, 4835187, 5372430, 6446916, 6907410, 8058645, 8288892, 9670374, 10361115, 10744860, 13814820, 14505561, 16117290, 19340748, 20722230, 24175935, 29011122, 32234580, 41444460, 48351870, 58022244, 72527805, 96703740, 145055610, 290111220]

約数ペア:

[(1, 290111220), (2, 145055610), (3, 96703740), (4, 72527805), (5, 58022244), (6, 48351870), (7, 41444460), (9, 32234580), (10, 29011122), (12, 24175935), (14, 20722230), (15, 19340748), (18, 16117290), (20, 14505561), (21, 13814820), (27, 10744860), (28, 10361115), (30, 9670374), (35, 8288892), (36, 8058645), (42, 6907410), (45, 6446916), (54, 5372430), (60, 4835187), (63, 4604940), (70, 4144446), (81, 3581620), (84, 3453705), (90, 3223458), (105, 2762964), (108, 2686215), (126, 2302470), (135, 2148972), (140, 2072223), (162, 1790810), (180, 1611729), (189, 1534980), (210, 1381482), (252, 1151235), (270, 1074486), (315, 920988), (324, 895405), (378, 767490), (405, 716324), (420, 690741), (540, 537243), (567, 511660), (630, 460494), (756, 383745), (810, 358162), (945, 306996), (1134, 255830), (1260, 230247), (1620, 179081), (1890, 153498), (2268, 127915), (2835, 102332), (3780, 76749), (5670, 51166), (11340, 25583)]