318389260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 853221600

約数和(自身を除く): 534832340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 49, 58, 68, 70, 85, 98, 116, 119, 140, 145, 170, 196, 203, 238, 245, 290, 340, 406, 476, 490, 493, 580, 595, 659, 812, 833, 980, 986, 1015, 1190, 1318, 1421, 1666, 1972, 2030, 2380, 2465, 2636, 2842, 3295, 3332, 3451, 4060, 4165, 4613, 4930, 5684, 6590, 6902, 7105, 8330, 9226, 9860, 11203, 13180, 13804, 14210, 16660, 17255, 18452, 19111, 22406, 23065, 24157, 28420, 32291, 34510, 38222, 44812, 46130, 48314, 56015, 64582, 69020, 76444, 78421, 92260, 95555, 96628, 112030, 120785, 129164, 133777, 156842, 161455, 191110, 224060, 241570, 267554, 313684, 322910, 324887, 382220, 392105, 483140, 535108, 548947, 645820, 649774, 668885, 784210, 936439, 1097894, 1299548, 1337770, 1568420, 1624435, 1872878, 2195788, 2274209, 2675540, 2744735, 3248870, 3745756, 4548418, 4682195, 5489470, 6497740, 9096836, 9364390, 10978940, 11371045, 15919463, 18728780, 22742090, 31838926, 45484180, 63677852, 79597315, 159194630, 318389260]

約数ペア:

[(1, 318389260), (2, 159194630), (4, 79597315), (5, 63677852), (7, 45484180), (10, 31838926), (14, 22742090), (17, 18728780), (20, 15919463), (28, 11371045), (29, 10978940), (34, 9364390), (35, 9096836), (49, 6497740), (58, 5489470), (68, 4682195), (70, 4548418), (85, 3745756), (98, 3248870), (116, 2744735), (119, 2675540), (140, 2274209), (145, 2195788), (170, 1872878), (196, 1624435), (203, 1568420), (238, 1337770), (245, 1299548), (290, 1097894), (340, 936439), (406, 784210), (476, 668885), (490, 649774), (493, 645820), (580, 548947), (595, 535108), (659, 483140), (812, 392105), (833, 382220), (980, 324887), (986, 322910), (1015, 313684), (1190, 267554), (1318, 241570), (1421, 224060), (1666, 191110), (1972, 161455), (2030, 156842), (2380, 133777), (2465, 129164), (2636, 120785), (2842, 112030), (3295, 96628), (3332, 95555), (3451, 92260), (4060, 78421), (4165, 76444), (4613, 69020), (4930, 64582), (5684, 56015), (6590, 48314), (6902, 46130), (7105, 44812), (8330, 38222), (9226, 34510), (9860, 32291), (11203, 28420), (13180, 24157), (13804, 23065), (14210, 22406), (16660, 19111), (17255, 18452)]