2019647960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1137

約数の個数: 128

約数和(自身を含む): 5135581440

約数和(自身を除く): 3115933480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 131, 148, 185, 220, 262, 296, 370, 407, 440, 524, 655, 740, 814, 947, 1048, 1310, 1441, 1480, 1628, 1894, 2035, 2620, 2882, 3256, 3788, 4070, 4735, 4847, 5240, 5764, 7205, 7576, 8140, 9470, 9694, 10417, 11528, 14410, 16280, 18940, 19388, 20834, 24235, 28820, 35039, 37880, 38776, 41668, 48470, 52085, 53317, 57640, 70078, 83336, 96940, 104170, 106634, 124057, 140156, 175195, 193880, 208340, 213268, 248114, 266585, 280312, 350390, 385429, 416680, 426536, 496228, 533170, 620285, 700780, 770858, 992456, 1066340, 1240570, 1364627, 1401560, 1541716, 1927145, 2132680, 2481140, 2729254, 3083432, 3854290, 4590109, 4962280, 5458508, 6823135, 7708580, 9180218, 10917016, 13646270, 15417160, 18360436, 22950545, 27292540, 36720872, 45901090, 50491199, 54585080, 91802180, 100982398, 183604360, 201964796, 252455995, 403929592, 504911990, 1009823980, 2019647960]

約数ペア:

[(1, 2019647960), (2, 1009823980), (4, 504911990), (5, 403929592), (8, 252455995), (10, 201964796), (11, 183604360), (20, 100982398), (22, 91802180), (37, 54585080), (40, 50491199), (44, 45901090), (55, 36720872), (74, 27292540), (88, 22950545), (110, 18360436), (131, 15417160), (148, 13646270), (185, 10917016), (220, 9180218), (262, 7708580), (296, 6823135), (370, 5458508), (407, 4962280), (440, 4590109), (524, 3854290), (655, 3083432), (740, 2729254), (814, 2481140), (947, 2132680), (1048, 1927145), (1310, 1541716), (1441, 1401560), (1480, 1364627), (1628, 1240570), (1894, 1066340), (2035, 992456), (2620, 770858), (2882, 700780), (3256, 620285), (3788, 533170), (4070, 496228), (4735, 426536), (4847, 416680), (5240, 385429), (5764, 350390), (7205, 280312), (7576, 266585), (8140, 248114), (9470, 213268), (9694, 208340), (10417, 193880), (11528, 175195), (14410, 140156), (16280, 124057), (18940, 106634), (19388, 104170), (20834, 96940), (24235, 83336), (28820, 70078), (35039, 57640), (37880, 53317), (38776, 52085), (41668, 48470)]