1219253980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2719}}^1\times {\mathrm{3203}}^1$

素因数の和:5938

約数の個数: 48

約数和(自身を含む): 2928199680

約数和(自身を除く): 1708945700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2719, 3203, 5438, 6406, 10876, 12812, 13595, 16015, 19033, 22421, 27190, 32030, 38066, 44842, 54380, 64060, 76132, 89684, 95165, 112105, 190330, 224210, 380660, 448420, 8708957, 17417914, 34835828, 43544785, 60962699, 87089570, 121925398, 174179140, 243850796, 304813495, 609626990, 1219253980]

約数ペア:

[(1, 1219253980), (2, 609626990), (4, 304813495), (5, 243850796), (7, 174179140), (10, 121925398), (14, 87089570), (20, 60962699), (28, 43544785), (35, 34835828), (70, 17417914), (140, 8708957), (2719, 448420), (3203, 380660), (5438, 224210), (6406, 190330), (10876, 112105), (12812, 95165), (13595, 89684), (16015, 76132), (19033, 64060), (22421, 54380), (27190, 44842), (32030, 38066)]