168109900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 440860672

約数和(自身を除く): 272750772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 61, 62, 70, 100, 122, 124, 127, 140, 155, 175, 217, 244, 254, 305, 310, 350, 427, 434, 508, 610, 620, 635, 700, 775, 854, 868, 889, 1085, 1220, 1270, 1525, 1550, 1708, 1778, 1891, 2135, 2170, 2540, 3050, 3100, 3175, 3556, 3782, 3937, 4270, 4340, 4445, 5425, 6100, 6350, 7564, 7747, 7874, 8540, 8890, 9455, 10675, 10850, 12700, 13237, 15494, 15748, 17780, 18910, 19685, 21350, 21700, 22225, 26474, 27559, 30988, 37820, 38735, 39370, 42700, 44450, 47275, 52948, 54229, 55118, 66185, 77470, 78740, 88900, 94550, 98425, 108458, 110236, 132370, 137795, 154940, 189100, 193675, 196850, 216916, 240157, 264740, 271145, 275590, 330925, 387350, 393700, 480314, 542290, 551180, 661850, 688975, 774700, 960628, 1084580, 1200785, 1323700, 1355725, 1377950, 1681099, 2401570, 2711450, 2755900, 3362198, 4803140, 5422900, 6003925, 6724396, 8405495, 12007850, 16810990, 24015700, 33621980, 42027475, 84054950, 168109900]

約数ペア:

[(1, 168109900), (2, 84054950), (4, 42027475), (5, 33621980), (7, 24015700), (10, 16810990), (14, 12007850), (20, 8405495), (25, 6724396), (28, 6003925), (31, 5422900), (35, 4803140), (50, 3362198), (61, 2755900), (62, 2711450), (70, 2401570), (100, 1681099), (122, 1377950), (124, 1355725), (127, 1323700), (140, 1200785), (155, 1084580), (175, 960628), (217, 774700), (244, 688975), (254, 661850), (305, 551180), (310, 542290), (350, 480314), (427, 393700), (434, 387350), (508, 330925), (610, 275590), (620, 271145), (635, 264740), (700, 240157), (775, 216916), (854, 196850), (868, 193675), (889, 189100), (1085, 154940), (1220, 137795), (1270, 132370), (1525, 110236), (1550, 108458), (1708, 98425), (1778, 94550), (1891, 88900), (2135, 78740), (2170, 77470), (2540, 66185), (3050, 55118), (3100, 54229), (3175, 52948), (3556, 47275), (3782, 44450), (3937, 42700), (4270, 39370), (4340, 38735), (4445, 37820), (5425, 30988), (6100, 27559), (6350, 26474), (7564, 22225), (7747, 21700), (7874, 21350), (8540, 19685), (8890, 18910), (9455, 17780), (10675, 15748), (10850, 15494), (12700, 13237)]