198501940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15581}}^1$

素因数の和:15617

約数の個数: 72

約数和(自身を含む): 522246312

約数和(自身を除く): 323744372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 15581, 31162, 62324, 77905, 109067, 155810, 202553, 218134, 311620, 405106, 436268, 545335, 763469, 810212, 1012765, 1090670, 1417871, 1526938, 2025530, 2181340, 2835742, 3053876, 3817345, 4051060, 5671484, 7089355, 7634690, 9925097, 14178710, 15269380, 19850194, 28357420, 39700388, 49625485, 99250970, 198501940]

約数ペア:

[(1, 198501940), (2, 99250970), (4, 49625485), (5, 39700388), (7, 28357420), (10, 19850194), (13, 15269380), (14, 14178710), (20, 9925097), (26, 7634690), (28, 7089355), (35, 5671484), (49, 4051060), (52, 3817345), (65, 3053876), (70, 2835742), (91, 2181340), (98, 2025530), (130, 1526938), (140, 1417871), (182, 1090670), (196, 1012765), (245, 810212), (260, 763469), (364, 545335), (455, 436268), (490, 405106), (637, 311620), (910, 218134), (980, 202553), (1274, 155810), (1820, 109067), (2548, 77905), (3185, 62324), (6370, 31162), (12740, 15581)]