3939460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 9959040

約数和(自身を除く): 6019580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1481, 2660, 2962, 5924, 7405, 10367, 14810, 20734, 28139, 29620, 41468, 51835, 56278, 103670, 112556, 140695, 196973, 207340, 281390, 393946, 562780, 787892, 984865, 1969730, 3939460]

約数ペア:

[(1, 3939460), (2, 1969730), (4, 984865), (5, 787892), (7, 562780), (10, 393946), (14, 281390), (19, 207340), (20, 196973), (28, 140695), (35, 112556), (38, 103670), (70, 56278), (76, 51835), (95, 41468), (133, 29620), (140, 28139), (190, 20734), (266, 14810), (380, 10367), (532, 7405), (665, 5924), (1330, 2962), (1481, 2660)]