305146940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{128213}}^1$

素因数の和:128246

約数の個数: 48

約数和(自身を含む): 775438272

約数和(自身を除く): 470291332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 128213, 256426, 512852, 641065, 897491, 1282130, 1794982, 2179621, 2564260, 3589964, 4359242, 4487455, 8718484, 8974910, 10898105, 15257347, 17949820, 21796210, 30514694, 43592420, 61029388, 76286735, 152573470, 305146940]

約数ペア:

[(1, 305146940), (2, 152573470), (4, 76286735), (5, 61029388), (7, 43592420), (10, 30514694), (14, 21796210), (17, 17949820), (20, 15257347), (28, 10898105), (34, 8974910), (35, 8718484), (68, 4487455), (70, 4359242), (85, 3589964), (119, 2564260), (140, 2179621), (170, 1794982), (238, 1282130), (340, 897491), (476, 641065), (595, 512852), (1190, 256426), (2380, 128213)]