47201980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 120185856

約数和(自身を除く): 72983876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 107, 115, 137, 140, 161, 214, 230, 274, 322, 428, 460, 535, 548, 644, 685, 749, 805, 959, 1070, 1370, 1498, 1610, 1918, 2140, 2461, 2740, 2996, 3151, 3220, 3745, 3836, 4795, 4922, 6302, 7490, 9590, 9844, 12305, 12604, 14659, 14980, 15755, 17227, 19180, 22057, 24610, 29318, 31510, 34454, 44114, 49220, 58636, 63020, 68908, 73295, 86135, 88228, 102613, 110285, 146590, 172270, 205226, 220570, 293180, 337157, 344540, 410452, 441140, 513065, 674314, 1026130, 1348628, 1685785, 2052260, 2360099, 3371570, 4720198, 6743140, 9440396, 11800495, 23600990, 47201980]

約数ペア:

[(1, 47201980), (2, 23600990), (4, 11800495), (5, 9440396), (7, 6743140), (10, 4720198), (14, 3371570), (20, 2360099), (23, 2052260), (28, 1685785), (35, 1348628), (46, 1026130), (70, 674314), (92, 513065), (107, 441140), (115, 410452), (137, 344540), (140, 337157), (161, 293180), (214, 220570), (230, 205226), (274, 172270), (322, 146590), (428, 110285), (460, 102613), (535, 88228), (548, 86135), (644, 73295), (685, 68908), (749, 63020), (805, 58636), (959, 49220), (1070, 44114), (1370, 34454), (1498, 31510), (1610, 29318), (1918, 24610), (2140, 22057), (2461, 19180), (2740, 17227), (2996, 15755), (3151, 14980), (3220, 14659), (3745, 12604), (3836, 12305), (4795, 9844), (4922, 9590), (6302, 7490)]