2019139640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18443}}^1$

素因数の和:18501

約数の個数: 128

約数和(自身を含む): 5736821760

約数和(自身を除く): 3717682120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 595, 644, 680, 782, 805, 920, 952, 1190, 1288, 1564, 1610, 1955, 2380, 2737, 3128, 3220, 3910, 4760, 5474, 6440, 7820, 10948, 13685, 15640, 18443, 21896, 27370, 36886, 54740, 73772, 92215, 109480, 129101, 147544, 184430, 258202, 313531, 368860, 424189, 516404, 627062, 645505, 737720, 848378, 1032808, 1254124, 1291010, 1567655, 1696756, 2120945, 2194717, 2508248, 2582020, 2969323, 3135310, 3393512, 4241890, 4389434, 5164040, 5938646, 6270620, 7211213, 8483780, 8778868, 10973585, 11877292, 12541240, 14422426, 14846615, 16967560, 17557736, 21947170, 23754584, 28844852, 29693230, 36056065, 43894340, 50478491, 57689704, 59386460, 72112130, 87788680, 100956982, 118772920, 144224260, 201913964, 252392455, 288448520, 403827928, 504784910, 1009569820, 2019139640]

約数ペア:

[(1, 2019139640), (2, 1009569820), (4, 504784910), (5, 403827928), (7, 288448520), (8, 252392455), (10, 201913964), (14, 144224260), (17, 118772920), (20, 100956982), (23, 87788680), (28, 72112130), (34, 59386460), (35, 57689704), (40, 50478491), (46, 43894340), (56, 36056065), (68, 29693230), (70, 28844852), (85, 23754584), (92, 21947170), (115, 17557736), (119, 16967560), (136, 14846615), (140, 14422426), (161, 12541240), (170, 11877292), (184, 10973585), (230, 8778868), (238, 8483780), (280, 7211213), (322, 6270620), (340, 5938646), (391, 5164040), (460, 4389434), (476, 4241890), (595, 3393512), (644, 3135310), (680, 2969323), (782, 2582020), (805, 2508248), (920, 2194717), (952, 2120945), (1190, 1696756), (1288, 1567655), (1564, 1291010), (1610, 1254124), (1955, 1032808), (2380, 848378), (2737, 737720), (3128, 645505), (3220, 627062), (3910, 516404), (4760, 424189), (5474, 368860), (6440, 313531), (7820, 258202), (10948, 184430), (13685, 147544), (15640, 129101), (18443, 109480), (21896, 92215), (27370, 73772), (36886, 54740)]