404340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 1185408

約数和(自身を除く): 781068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 293, 345, 460, 586, 690, 879, 1172, 1380, 1465, 1758, 2930, 3516, 4395, 5860, 6739, 8790, 13478, 17580, 20217, 26956, 33695, 40434, 67390, 80868, 101085, 134780, 202170, 404340]

約数ペア:

[(1, 404340), (2, 202170), (3, 134780), (4, 101085), (5, 80868), (6, 67390), (10, 40434), (12, 33695), (15, 26956), (20, 20217), (23, 17580), (30, 13478), (46, 8790), (60, 6739), (69, 5860), (92, 4395), (115, 3516), (138, 2930), (230, 1758), (276, 1465), (293, 1380), (345, 1172), (460, 879), (586, 690)]