30308420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 68463360

約数和(自身を除く): 38154940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1697, 1786, 3394, 3572, 4465, 6788, 8485, 8930, 16970, 17860, 32243, 33940, 64486, 79759, 128972, 159518, 161215, 319036, 322430, 398795, 644860, 797590, 1515421, 1595180, 3030842, 6061684, 7577105, 15154210, 30308420]

約数ペア:

[(1, 30308420), (2, 15154210), (4, 7577105), (5, 6061684), (10, 3030842), (19, 1595180), (20, 1515421), (38, 797590), (47, 644860), (76, 398795), (94, 322430), (95, 319036), (188, 161215), (190, 159518), (235, 128972), (380, 79759), (470, 64486), (893, 33940), (940, 32243), (1697, 17860), (1786, 16970), (3394, 8930), (3572, 8485), (4465, 6788)]