628388980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{20389}}^1$

素因数の和:20488

約数の個数: 48

約数和(自身を含む): 1397612160

約数和(自身を除く): 769223180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 3082, 6164, 7705, 15410, 20389, 30820, 40778, 81556, 101945, 203890, 407780, 468947, 937894, 1366063, 1875788, 2344735, 2732126, 4689470, 5464252, 6830315, 9378940, 13660630, 27321260, 31419449, 62838898, 125677796, 157097245, 314194490, 628388980]

約数ペア:

[(1, 628388980), (2, 314194490), (4, 157097245), (5, 125677796), (10, 62838898), (20, 31419449), (23, 27321260), (46, 13660630), (67, 9378940), (92, 6830315), (115, 5464252), (134, 4689470), (230, 2732126), (268, 2344735), (335, 1875788), (460, 1366063), (670, 937894), (1340, 468947), (1541, 407780), (3082, 203890), (6164, 101945), (7705, 81556), (15410, 40778), (20389, 30820)]