198724380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^2\times {\mathrm{193}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 563613456

約数和(自身を除く): 364889076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 193, 262, 386, 393, 524, 579, 655, 772, 786, 965, 1158, 1310, 1572, 1930, 1965, 2316, 2620, 2895, 3860, 3930, 5790, 7860, 11580, 17161, 25283, 34322, 50566, 51483, 68644, 75849, 85805, 101132, 102966, 126415, 151698, 171610, 205932, 252830, 257415, 303396, 343220, 379245, 505660, 514830, 758490, 1029660, 1516980, 3312073, 6624146, 9936219, 13248292, 16560365, 19872438, 33120730, 39744876, 49681095, 66241460, 99362190, 198724380]

約数ペア:

[(1, 198724380), (2, 99362190), (3, 66241460), (4, 49681095), (5, 39744876), (6, 33120730), (10, 19872438), (12, 16560365), (15, 13248292), (20, 9936219), (30, 6624146), (60, 3312073), (131, 1516980), (193, 1029660), (262, 758490), (386, 514830), (393, 505660), (524, 379245), (579, 343220), (655, 303396), (772, 257415), (786, 252830), (965, 205932), (1158, 171610), (1310, 151698), (1572, 126415), (1930, 102966), (1965, 101132), (2316, 85805), (2620, 75849), (2895, 68644), (3860, 51483), (3930, 50566), (5790, 34322), (7860, 25283), (11580, 17161)]