421780970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 839946240

約数和(自身を除く): 418165270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 127, 130, 254, 295, 433, 590, 635, 767, 866, 1270, 1534, 1651, 2165, 3302, 3835, 4330, 5629, 7493, 7670, 8255, 11258, 14986, 16510, 25547, 28145, 37465, 51094, 54991, 56290, 74930, 97409, 109982, 127735, 194818, 255470, 274955, 332111, 487045, 549910, 664222, 714883, 974090, 1429766, 1660555, 3244469, 3321110, 3574415, 6488938, 7148830, 16222345, 32444690, 42178097, 84356194, 210890485, 421780970]

約数ペア:

[(1, 421780970), (2, 210890485), (5, 84356194), (10, 42178097), (13, 32444690), (26, 16222345), (59, 7148830), (65, 6488938), (118, 3574415), (127, 3321110), (130, 3244469), (254, 1660555), (295, 1429766), (433, 974090), (590, 714883), (635, 664222), (767, 549910), (866, 487045), (1270, 332111), (1534, 274955), (1651, 255470), (2165, 194818), (3302, 127735), (3835, 109982), (4330, 97409), (5629, 74930), (7493, 56290), (7670, 54991), (8255, 51094), (11258, 37465), (14986, 28145), (16510, 25547)]