38072420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 82237680

約数和(自身を除く): 44165260

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 293, 356, 365, 445, 586, 730, 890, 1172, 1460, 1465, 1780, 2930, 5860, 6497, 12994, 21389, 25988, 26077, 32485, 42778, 52154, 64970, 85556, 104308, 106945, 129940, 130385, 213890, 260770, 427780, 521540, 1903621, 3807242, 7614484, 9518105, 19036210, 38072420]

約数ペア:

[(1, 38072420), (2, 19036210), (4, 9518105), (5, 7614484), (10, 3807242), (20, 1903621), (73, 521540), (89, 427780), (146, 260770), (178, 213890), (292, 130385), (293, 129940), (356, 106945), (365, 104308), (445, 85556), (586, 64970), (730, 52154), (890, 42778), (1172, 32485), (1460, 26077), (1465, 25988), (1780, 21389), (2930, 12994), (5860, 6497)]