319685240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3719}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 824947200

約数和(自身を除く): 505261960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 2149, 2456, 3070, 3719, 4298, 6140, 7438, 8596, 10745, 12280, 14876, 17192, 18595, 21490, 26033, 29752, 37190, 42980, 52066, 74380, 85960, 104132, 130165, 148760, 208264, 260330, 520660, 1041320, 1141733, 2283466, 4566932, 5708665, 7992131, 9133864, 11417330, 15984262, 22834660, 31968524, 39960655, 45669320, 63937048, 79921310, 159842620, 319685240]

約数ペア:

[(1, 319685240), (2, 159842620), (4, 79921310), (5, 63937048), (7, 45669320), (8, 39960655), (10, 31968524), (14, 22834660), (20, 15984262), (28, 11417330), (35, 9133864), (40, 7992131), (56, 5708665), (70, 4566932), (140, 2283466), (280, 1141733), (307, 1041320), (614, 520660), (1228, 260330), (1535, 208264), (2149, 148760), (2456, 130165), (3070, 104132), (3719, 85960), (4298, 74380), (6140, 52066), (7438, 42980), (8596, 37190), (10745, 29752), (12280, 26033), (14876, 21490), (17192, 18595)]