2243940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 4106460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 251, 298, 447, 502, 596, 745, 753, 894, 1004, 1255, 1490, 1506, 1788, 2235, 2510, 2980, 3012, 3765, 4470, 5020, 7530, 8940, 15060, 37399, 74798, 112197, 149596, 186995, 224394, 373990, 448788, 560985, 747980, 1121970, 2243940]

約数ペア:

[(1, 2243940), (2, 1121970), (3, 747980), (4, 560985), (5, 448788), (6, 373990), (10, 224394), (12, 186995), (15, 149596), (20, 112197), (30, 74798), (60, 37399), (149, 15060), (251, 8940), (298, 7530), (447, 5020), (502, 4470), (596, 3765), (745, 3012), (753, 2980), (894, 2510), (1004, 2235), (1255, 1788), (1490, 1506)]