7918820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 21638400

約数和(自身を除く): 13719580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 229, 247, 260, 266, 364, 380, 455, 458, 494, 532, 665, 910, 916, 988, 1145, 1235, 1330, 1603, 1729, 1820, 2290, 2470, 2660, 2977, 3206, 3458, 4351, 4580, 4940, 5954, 6412, 6916, 8015, 8645, 8702, 11908, 14885, 16030, 17290, 17404, 20839, 21755, 29770, 30457, 32060, 34580, 41678, 43510, 56563, 59540, 60914, 83356, 87020, 104195, 113126, 121828, 152285, 208390, 226252, 282815, 304570, 395941, 416780, 565630, 609140, 791882, 1131260, 1583764, 1979705, 3959410, 7918820]

約数ペア:

[(1, 7918820), (2, 3959410), (4, 1979705), (5, 1583764), (7, 1131260), (10, 791882), (13, 609140), (14, 565630), (19, 416780), (20, 395941), (26, 304570), (28, 282815), (35, 226252), (38, 208390), (52, 152285), (65, 121828), (70, 113126), (76, 104195), (91, 87020), (95, 83356), (130, 60914), (133, 59540), (140, 56563), (182, 43510), (190, 41678), (229, 34580), (247, 32060), (260, 30457), (266, 29770), (364, 21755), (380, 20839), (455, 17404), (458, 17290), (494, 16030), (532, 14885), (665, 11908), (910, 8702), (916, 8645), (988, 8015), (1145, 6916), (1235, 6412), (1330, 5954), (1603, 4940), (1729, 4580), (1820, 4351), (2290, 3458), (2470, 3206), (2660, 2977)]