288961180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 620151840

約数和(自身を除く): 331190660

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 332, 415, 436, 545, 830, 1090, 1597, 1660, 2180, 3194, 6388, 7985, 9047, 15970, 18094, 31940, 36188, 45235, 90470, 132551, 174073, 180940, 265102, 348146, 530204, 662755, 696292, 870365, 1325510, 1740730, 2651020, 3481460, 14448059, 28896118, 57792236, 72240295, 144480590, 288961180]

約数ペア:

[(1, 288961180), (2, 144480590), (4, 72240295), (5, 57792236), (10, 28896118), (20, 14448059), (83, 3481460), (109, 2651020), (166, 1740730), (218, 1325510), (332, 870365), (415, 696292), (436, 662755), (545, 530204), (830, 348146), (1090, 265102), (1597, 180940), (1660, 174073), (2180, 132551), (3194, 90470), (6388, 45235), (7985, 36188), (9047, 31940), (15970, 18094)]