90979525

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 146943720

約数和(自身を除く): 55964195

約数列:

[1, 5, 7, 13, 25, 29, 35, 49, 65, 91, 145, 175, 197, 203, 245, 325, 377, 455, 637, 725, 985, 1015, 1225, 1379, 1421, 1885, 2275, 2561, 2639, 3185, 4925, 5075, 5713, 6895, 7105, 9425, 9653, 12805, 13195, 15925, 17927, 18473, 28565, 34475, 35525, 39991, 48265, 64025, 65975, 74269, 89635, 92365, 125489, 142825, 199955, 241325, 279937, 371345, 448175, 461825, 519883, 627445, 999775, 1399685, 1856725, 2599415, 3137225, 3639181, 6998425, 12997075, 18195905, 90979525]

約数ペア:

[(1, 90979525), (5, 18195905), (7, 12997075), (13, 6998425), (25, 3639181), (29, 3137225), (35, 2599415), (49, 1856725), (65, 1399685), (91, 999775), (145, 627445), (175, 519883), (197, 461825), (203, 448175), (245, 371345), (325, 279937), (377, 241325), (455, 199955), (637, 142825), (725, 125489), (985, 92365), (1015, 89635), (1225, 74269), (1379, 65975), (1421, 64025), (1885, 48265), (2275, 39991), (2561, 35525), (2639, 34475), (3185, 28565), (4925, 18473), (5075, 17927), (5713, 15925), (6895, 13195), (7105, 12805), (9425, 9653)]