211071420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{2659}}^1$

素因数の和:2694

約数の個数: 180

約数和(自身を含む): 770532840

約数和(自身を除く): 559461420

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2659, 2835, 2940, 3780, 3969, 4410, 5292, 5318, 5670, 6615, 7938, 7977, 8820, 10636, 11340, 13230, 13295, 15876, 15954, 18613, 19845, 23931, 26460, 26590, 31908, 37226, 39690, 39885, 47862, 53180, 55839, 71793, 74452, 79380, 79770, 93065, 95724, 111678, 119655, 130291, 143586, 159540, 167517, 186130, 215379, 223356, 239310, 260582, 279195, 287172, 335034, 358965, 372260, 390873, 430758, 478620, 502551, 521164, 558390, 651455, 670068, 717930, 781746, 837585, 861516, 1005102, 1076895, 1116780, 1172619, 1302910, 1435860, 1507653, 1563492, 1675170, 1954365, 2010204, 2153790, 2345238, 2512755, 2605820, 3015306, 3350340, 3517857, 3908730, 4307580, 4690476, 5025510, 5863095, 6030612, 7035714, 7538265, 7817460, 10051020, 10553571, 11726190, 14071428, 15076530, 17589285, 21107142, 23452380, 30153060, 35178570, 42214284, 52767855, 70357140, 105535710, 211071420]

約数ペア:

[(1, 211071420), (2, 105535710), (3, 70357140), (4, 52767855), (5, 42214284), (6, 35178570), (7, 30153060), (9, 23452380), (10, 21107142), (12, 17589285), (14, 15076530), (15, 14071428), (18, 11726190), (20, 10553571), (21, 10051020), (27, 7817460), (28, 7538265), (30, 7035714), (35, 6030612), (36, 5863095), (42, 5025510), (45, 4690476), (49, 4307580), (54, 3908730), (60, 3517857), (63, 3350340), (70, 3015306), (81, 2605820), (84, 2512755), (90, 2345238), (98, 2153790), (105, 2010204), (108, 1954365), (126, 1675170), (135, 1563492), (140, 1507653), (147, 1435860), (162, 1302910), (180, 1172619), (189, 1116780), (196, 1076895), (210, 1005102), (245, 861516), (252, 837585), (270, 781746), (294, 717930), (315, 670068), (324, 651455), (378, 558390), (405, 521164), (420, 502551), (441, 478620), (490, 430758), (540, 390873), (567, 372260), (588, 358965), (630, 335034), (735, 287172), (756, 279195), (810, 260582), (882, 239310), (945, 223356), (980, 215379), (1134, 186130), (1260, 167517), (1323, 159540), (1470, 143586), (1620, 130291), (1764, 119655), (1890, 111678), (2205, 95724), (2268, 93065), (2646, 79770), (2659, 79380), (2835, 74452), (2940, 71793), (3780, 55839), (3969, 53180), (4410, 47862), (5292, 39885), (5318, 39690), (5670, 37226), (6615, 31908), (7938, 26590), (7977, 26460), (8820, 23931), (10636, 19845), (11340, 18613), (13230, 15954), (13295, 15876)]