31491320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16067}}^1$

素因数の和:16092

約数の個数: 48

約数和(自身を含む): 82428840

約数和(自身を除く): 50937520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16067, 32134, 64268, 80335, 112469, 128536, 160670, 224938, 321340, 449876, 562345, 642680, 787283, 899752, 1124690, 1574566, 2249380, 3149132, 3936415, 4498760, 6298264, 7872830, 15745660, 31491320]

約数ペア:

[(1, 31491320), (2, 15745660), (4, 7872830), (5, 6298264), (7, 4498760), (8, 3936415), (10, 3149132), (14, 2249380), (20, 1574566), (28, 1124690), (35, 899752), (40, 787283), (49, 642680), (56, 562345), (70, 449876), (98, 321340), (140, 224938), (196, 160670), (245, 128536), (280, 112469), (392, 80335), (490, 64268), (980, 32134), (1960, 16067)]