209143620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18443}}^1$

素因数の和:18471

約数の個数: 120

約数和(自身を含む): 749859264

約数和(自身を除く): 540715644

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, 18443, 36886, 55329, 73772, 92215, 110658, 129101, 165987, 184430, 221316, 258202, 276645, 331974, 368860, 387303, 497961, 516404, 553290, 645505, 663948, 774606, 829935, 995922, 1106580, 1161909, 1291010, 1493883, 1549212, 1659870, 1936515, 1991844, 2323818, 2489805, 2582020, 2987766, 3319740, 3485727, 3873030, 4647636, 4979610, 5809545, 5975532, 6971454, 7469415, 7746060, 9959220, 10457181, 11619090, 13942908, 14938830, 17428635, 20914362, 23238180, 29877660, 34857270, 41828724, 52285905, 69714540, 104571810, 209143620]

約数ペア:

[(1, 209143620), (2, 104571810), (3, 69714540), (4, 52285905), (5, 41828724), (6, 34857270), (7, 29877660), (9, 23238180), (10, 20914362), (12, 17428635), (14, 14938830), (15, 13942908), (18, 11619090), (20, 10457181), (21, 9959220), (27, 7746060), (28, 7469415), (30, 6971454), (35, 5975532), (36, 5809545), (42, 4979610), (45, 4647636), (54, 3873030), (60, 3485727), (63, 3319740), (70, 2987766), (81, 2582020), (84, 2489805), (90, 2323818), (105, 1991844), (108, 1936515), (126, 1659870), (135, 1549212), (140, 1493883), (162, 1291010), (180, 1161909), (189, 1106580), (210, 995922), (252, 829935), (270, 774606), (315, 663948), (324, 645505), (378, 553290), (405, 516404), (420, 497961), (540, 387303), (567, 368860), (630, 331974), (756, 276645), (810, 258202), (945, 221316), (1134, 184430), (1260, 165987), (1620, 129101), (1890, 110658), (2268, 92215), (2835, 73772), (3780, 55329), (5670, 36886), (11340, 18443)]