7146920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 18057600

約数和(自身を除く): 10910680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 439, 440, 740, 814, 878, 1480, 1628, 1756, 2035, 2195, 3256, 3512, 4070, 4390, 4829, 8140, 8780, 9658, 16243, 16280, 17560, 19316, 24145, 32486, 38632, 48290, 64972, 81215, 96580, 129944, 162430, 178673, 193160, 324860, 357346, 649720, 714692, 893365, 1429384, 1786730, 3573460, 7146920]

約数ペア:

[(1, 7146920), (2, 3573460), (4, 1786730), (5, 1429384), (8, 893365), (10, 714692), (11, 649720), (20, 357346), (22, 324860), (37, 193160), (40, 178673), (44, 162430), (55, 129944), (74, 96580), (88, 81215), (110, 64972), (148, 48290), (185, 38632), (220, 32486), (296, 24145), (370, 19316), (407, 17560), (439, 16280), (440, 16243), (740, 9658), (814, 8780), (878, 8140), (1480, 4829), (1628, 4390), (1756, 4070), (2035, 3512), (2195, 3256)]