90574540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 228962160

約数和(自身を除く): 138387620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 3187, 4060, 5684, 6374, 7105, 12748, 14210, 15935, 22309, 28420, 31870, 44618, 63740, 89236, 92423, 111545, 156163, 184846, 223090, 312326, 369692, 446180, 462115, 624652, 646961, 780815, 924230, 1293922, 1561630, 1848460, 2587844, 3123260, 3234805, 4528727, 6469610, 9057454, 12939220, 18114908, 22643635, 45287270, 90574540]

約数ペア:

[(1, 90574540), (2, 45287270), (4, 22643635), (5, 18114908), (7, 12939220), (10, 9057454), (14, 6469610), (20, 4528727), (28, 3234805), (29, 3123260), (35, 2587844), (49, 1848460), (58, 1561630), (70, 1293922), (98, 924230), (116, 780815), (140, 646961), (145, 624652), (196, 462115), (203, 446180), (245, 369692), (290, 312326), (406, 223090), (490, 184846), (580, 156163), (812, 111545), (980, 92423), (1015, 89236), (1421, 63740), (2030, 44618), (2842, 31870), (3187, 28420), (4060, 22309), (5684, 15935), (6374, 14210), (7105, 12748)]