17813320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 46293120

約数和(自身を除く): 28479800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 563, 565, 791, 904, 1126, 1130, 1582, 2252, 2260, 2815, 3164, 3941, 3955, 4504, 4520, 5630, 6328, 7882, 7910, 11260, 15764, 15820, 19705, 22520, 31528, 31640, 39410, 63619, 78820, 127238, 157640, 254476, 318095, 445333, 508952, 636190, 890666, 1272380, 1781332, 2226665, 2544760, 3562664, 4453330, 8906660, 17813320]

約数ペア:

[(1, 17813320), (2, 8906660), (4, 4453330), (5, 3562664), (7, 2544760), (8, 2226665), (10, 1781332), (14, 1272380), (20, 890666), (28, 636190), (35, 508952), (40, 445333), (56, 318095), (70, 254476), (113, 157640), (140, 127238), (226, 78820), (280, 63619), (452, 39410), (563, 31640), (565, 31528), (791, 22520), (904, 19705), (1126, 15820), (1130, 15764), (1582, 11260), (2252, 7910), (2260, 7882), (2815, 6328), (3164, 5630), (3941, 4520), (3955, 4504)]