154955990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{76333}}^1$

素因数の和:76376

約数の個数: 32

約数和(自身を含む): 329762880

約数和(自身を除く): 174806890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 76333, 152666, 381665, 534331, 763330, 1068662, 2213657, 2671655, 4427314, 5343310, 11068285, 15495599, 22136570, 30991198, 77477995, 154955990]

約数ペア:

[(1, 154955990), (2, 77477995), (5, 30991198), (7, 22136570), (10, 15495599), (14, 11068285), (29, 5343310), (35, 4427314), (58, 2671655), (70, 2213657), (145, 1068662), (203, 763330), (290, 534331), (406, 381665), (1015, 152666), (2030, 76333)]