4158340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 9515520

約数和(自身を除く): 5357180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 353, 380, 589, 620, 706, 1178, 1412, 1765, 2356, 2945, 3530, 5890, 6707, 7060, 10943, 11780, 13414, 21886, 26828, 33535, 43772, 54715, 67070, 109430, 134140, 207917, 218860, 415834, 831668, 1039585, 2079170, 4158340]

約数ペア:

[(1, 4158340), (2, 2079170), (4, 1039585), (5, 831668), (10, 415834), (19, 218860), (20, 207917), (31, 134140), (38, 109430), (62, 67070), (76, 54715), (95, 43772), (124, 33535), (155, 26828), (190, 21886), (310, 13414), (353, 11780), (380, 10943), (589, 7060), (620, 6707), (706, 5890), (1178, 3530), (1412, 2945), (1765, 2356)]