139591160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 321343200

約数和(自身を除く): 181752040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 178, 226, 347, 356, 445, 452, 565, 694, 712, 890, 904, 1130, 1388, 1735, 1780, 2260, 2776, 3470, 3560, 4520, 6940, 10057, 13880, 20114, 30883, 39211, 40228, 50285, 61766, 78422, 80456, 100570, 123532, 154415, 156844, 196055, 201140, 247064, 308830, 313688, 392110, 402280, 617660, 784220, 1235320, 1568440, 3489779, 6979558, 13959116, 17448895, 27918232, 34897790, 69795580, 139591160]

約数ペア:

[(1, 139591160), (2, 69795580), (4, 34897790), (5, 27918232), (8, 17448895), (10, 13959116), (20, 6979558), (40, 3489779), (89, 1568440), (113, 1235320), (178, 784220), (226, 617660), (347, 402280), (356, 392110), (445, 313688), (452, 308830), (565, 247064), (694, 201140), (712, 196055), (890, 156844), (904, 154415), (1130, 123532), (1388, 100570), (1735, 80456), (1780, 78422), (2260, 61766), (2776, 50285), (3470, 40228), (3560, 39211), (4520, 30883), (6940, 20114), (10057, 13880)]