64454110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 135842400

約数和(自身を除く): 71388290

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 398, 490, 661, 995, 1322, 1393, 1990, 2786, 3305, 4627, 6610, 6965, 9254, 9751, 13930, 19502, 23135, 32389, 46270, 48755, 64778, 97510, 131539, 161945, 263078, 323890, 657695, 920773, 1315390, 1841546, 4603865, 6445411, 9207730, 12890822, 32227055, 64454110]

約数ペア:

[(1, 64454110), (2, 32227055), (5, 12890822), (7, 9207730), (10, 6445411), (14, 4603865), (35, 1841546), (49, 1315390), (70, 920773), (98, 657695), (199, 323890), (245, 263078), (398, 161945), (490, 131539), (661, 97510), (995, 64778), (1322, 48755), (1393, 46270), (1990, 32389), (2786, 23135), (3305, 19502), (4627, 13930), (6610, 9751), (6965, 9254)]