38136940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 82301184

約数和(自身を除く): 44164244

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 251, 284, 355, 428, 502, 535, 710, 1004, 1070, 1255, 1420, 2140, 2510, 5020, 7597, 15194, 17821, 26857, 30388, 35642, 37985, 53714, 71284, 75970, 89105, 107428, 134285, 151940, 178210, 268570, 356420, 537140, 1906847, 3813694, 7627388, 9534235, 19068470, 38136940]

約数ペア:

[(1, 38136940), (2, 19068470), (4, 9534235), (5, 7627388), (10, 3813694), (20, 1906847), (71, 537140), (107, 356420), (142, 268570), (214, 178210), (251, 151940), (284, 134285), (355, 107428), (428, 89105), (502, 75970), (535, 71284), (710, 53714), (1004, 37985), (1070, 35642), (1255, 30388), (1420, 26857), (2140, 17821), (2510, 15194), (5020, 7597)]