1500940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3677184

約数和(自身を除く): 2176244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 151, 284, 302, 355, 497, 604, 710, 755, 994, 1057, 1420, 1510, 1988, 2114, 2485, 3020, 4228, 4970, 5285, 9940, 10570, 10721, 21140, 21442, 42884, 53605, 75047, 107210, 150094, 214420, 300188, 375235, 750470, 1500940]

約数ペア:

[(1, 1500940), (2, 750470), (4, 375235), (5, 300188), (7, 214420), (10, 150094), (14, 107210), (20, 75047), (28, 53605), (35, 42884), (70, 21442), (71, 21140), (140, 10721), (142, 10570), (151, 9940), (284, 5285), (302, 4970), (355, 4228), (497, 3020), (604, 2485), (710, 2114), (755, 1988), (994, 1510), (1057, 1420)]