3973940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 8926848

約数和(自身を除く): 4952908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 163, 212, 230, 265, 326, 460, 530, 652, 815, 1060, 1219, 1630, 2438, 3260, 3749, 4876, 6095, 7498, 8639, 12190, 14996, 17278, 18745, 24380, 34556, 37490, 43195, 74980, 86390, 172780, 198697, 397394, 794788, 993485, 1986970, 3973940]

約数ペア:

[(1, 3973940), (2, 1986970), (4, 993485), (5, 794788), (10, 397394), (20, 198697), (23, 172780), (46, 86390), (53, 74980), (92, 43195), (106, 37490), (115, 34556), (163, 24380), (212, 18745), (230, 17278), (265, 14996), (326, 12190), (460, 8639), (530, 7498), (652, 6095), (815, 4876), (1060, 3749), (1219, 3260), (1630, 2438)]