8987380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 20220480

約数和(自身を除く): 11233100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 353, 380, 670, 706, 1273, 1340, 1412, 1765, 2546, 3530, 5092, 6365, 6707, 7060, 12730, 13414, 23651, 25460, 26828, 33535, 47302, 67070, 94604, 118255, 134140, 236510, 449369, 473020, 898738, 1797476, 2246845, 4493690, 8987380]

約数ペア:

[(1, 8987380), (2, 4493690), (4, 2246845), (5, 1797476), (10, 898738), (19, 473020), (20, 449369), (38, 236510), (67, 134140), (76, 118255), (95, 94604), (134, 67070), (190, 47302), (268, 33535), (335, 26828), (353, 25460), (380, 23651), (670, 13414), (706, 12730), (1273, 7060), (1340, 6707), (1412, 6365), (1765, 5092), (2546, 3530)]