399889740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{19207}}^1$

素因数の和:19566

約数の個数: 48

約数和(自身を含む): 1122976512

約数和(自身を除く): 723086772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 1041, 1388, 1735, 2082, 3470, 4164, 5205, 6940, 10410, 19207, 20820, 38414, 57621, 76828, 96035, 115242, 192070, 230484, 288105, 384140, 576210, 1152420, 6664829, 13329658, 19994487, 26659316, 33324145, 39988974, 66648290, 79977948, 99972435, 133296580, 199944870, 399889740]

約数ペア:

[(1, 399889740), (2, 199944870), (3, 133296580), (4, 99972435), (5, 79977948), (6, 66648290), (10, 39988974), (12, 33324145), (15, 26659316), (20, 19994487), (30, 13329658), (60, 6664829), (347, 1152420), (694, 576210), (1041, 384140), (1388, 288105), (1735, 230484), (2082, 192070), (3470, 115242), (4164, 96035), (5205, 76828), (6940, 57621), (10410, 38414), (19207, 20820)]