203970390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16871}}^1$

素因数の和:16925

約数の個数: 64

約数和(自身を含む): 544223232

約数和(自身を除く): 340252842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 16871, 33742, 50613, 84355, 101226, 168710, 219323, 253065, 438646, 506130, 523001, 657969, 1046002, 1096615, 1315938, 1569003, 2193230, 2615005, 3138006, 3289845, 5230010, 6579690, 6799013, 7845015, 13598026, 15690030, 20397039, 33995065, 40794078, 67990130, 101985195, 203970390]

約数ペア:

[(1, 203970390), (2, 101985195), (3, 67990130), (5, 40794078), (6, 33995065), (10, 20397039), (13, 15690030), (15, 13598026), (26, 7845015), (30, 6799013), (31, 6579690), (39, 5230010), (62, 3289845), (65, 3138006), (78, 2615005), (93, 2193230), (130, 1569003), (155, 1315938), (186, 1096615), (195, 1046002), (310, 657969), (390, 523001), (403, 506130), (465, 438646), (806, 253065), (930, 219323), (1209, 168710), (2015, 101226), (2418, 84355), (4030, 50613), (6045, 33742), (12090, 16871)]