2172999640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:1005

約数の個数: 128

約数和(自身を含む): 5764752000

約数和(自身を除く): 3591752360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 349, 370, 518, 601, 698, 740, 1036, 1202, 1295, 1396, 1480, 1745, 2072, 2404, 2443, 2590, 2792, 3005, 3490, 4207, 4808, 4886, 5180, 6010, 6980, 8414, 9772, 10360, 12020, 12215, 12913, 13960, 16828, 19544, 21035, 22237, 24040, 24430, 25826, 33656, 42070, 44474, 48860, 51652, 64565, 84140, 88948, 90391, 97720, 103304, 111185, 129130, 155659, 168280, 177896, 180782, 209749, 222370, 258260, 311318, 361564, 419498, 444740, 451955, 516520, 622636, 723128, 778295, 838996, 889480, 903910, 1048745, 1245272, 1468243, 1556590, 1677992, 1807820, 2097490, 2936486, 3113180, 3615640, 4194980, 5872972, 6226360, 7341215, 7760713, 8389960, 11745944, 14682430, 15521426, 29364860, 31042852, 38803565, 54324991, 58729720, 62085704, 77607130, 108649982, 155214260, 217299964, 271624955, 310428520, 434599928, 543249910, 1086499820, 2172999640]

約数ペア:

[(1, 2172999640), (2, 1086499820), (4, 543249910), (5, 434599928), (7, 310428520), (8, 271624955), (10, 217299964), (14, 155214260), (20, 108649982), (28, 77607130), (35, 62085704), (37, 58729720), (40, 54324991), (56, 38803565), (70, 31042852), (74, 29364860), (140, 15521426), (148, 14682430), (185, 11745944), (259, 8389960), (280, 7760713), (296, 7341215), (349, 6226360), (370, 5872972), (518, 4194980), (601, 3615640), (698, 3113180), (740, 2936486), (1036, 2097490), (1202, 1807820), (1295, 1677992), (1396, 1556590), (1480, 1468243), (1745, 1245272), (2072, 1048745), (2404, 903910), (2443, 889480), (2590, 838996), (2792, 778295), (3005, 723128), (3490, 622636), (4207, 516520), (4808, 451955), (4886, 444740), (5180, 419498), (6010, 361564), (6980, 311318), (8414, 258260), (9772, 222370), (10360, 209749), (12020, 180782), (12215, 177896), (12913, 168280), (13960, 155659), (16828, 129130), (19544, 111185), (21035, 103304), (22237, 97720), (24040, 90391), (24430, 88948), (25826, 84140), (33656, 64565), (42070, 51652), (44474, 48860)]