142739800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{101957}}^1$

素因数の和:101980

約数の個数: 48

約数和(自身を含む): 379283760

約数和(自身を除く): 236543960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 101957, 203914, 407828, 509785, 713699, 815656, 1019570, 1427398, 2039140, 2548925, 2854796, 3568495, 4078280, 5097850, 5709592, 7136990, 10195700, 14273980, 17842475, 20391400, 28547960, 35684950, 71369900, 142739800]

約数ペア:

[(1, 142739800), (2, 71369900), (4, 35684950), (5, 28547960), (7, 20391400), (8, 17842475), (10, 14273980), (14, 10195700), (20, 7136990), (25, 5709592), (28, 5097850), (35, 4078280), (40, 3568495), (50, 2854796), (56, 2548925), (70, 2039140), (100, 1427398), (140, 1019570), (175, 815656), (200, 713699), (280, 509785), (350, 407828), (700, 203914), (1400, 101957)]