84197560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 194983200

約数和(自身を除く): 110785640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 89, 134, 178, 268, 335, 353, 356, 445, 536, 670, 706, 712, 890, 1340, 1412, 1765, 1780, 2680, 2824, 3530, 3560, 5963, 7060, 11926, 14120, 23651, 23852, 29815, 31417, 47302, 47704, 59630, 62834, 94604, 118255, 119260, 125668, 157085, 189208, 236510, 238520, 251336, 314170, 473020, 628340, 946040, 1256680, 2104939, 4209878, 8419756, 10524695, 16839512, 21049390, 42098780, 84197560]

約数ペア:

[(1, 84197560), (2, 42098780), (4, 21049390), (5, 16839512), (8, 10524695), (10, 8419756), (20, 4209878), (40, 2104939), (67, 1256680), (89, 946040), (134, 628340), (178, 473020), (268, 314170), (335, 251336), (353, 238520), (356, 236510), (445, 189208), (536, 157085), (670, 125668), (706, 119260), (712, 118255), (890, 94604), (1340, 62834), (1412, 59630), (1765, 47704), (1780, 47302), (2680, 31417), (2824, 29815), (3530, 23852), (3560, 23651), (5963, 14120), (7060, 11926)]