20173284950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{1427}}^1$

素因数の和:1711

約数の個数: 144

約数和(自身を含む): 46662013440

約数和(自身を除く): 26488728490

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 169, 175, 182, 239, 325, 338, 350, 455, 478, 650, 845, 910, 1183, 1195, 1427, 1673, 1690, 2275, 2366, 2390, 2854, 3107, 3346, 4225, 4550, 5915, 5975, 6214, 7135, 8365, 8450, 9989, 11830, 11950, 14270, 15535, 16730, 18551, 19978, 21749, 29575, 31070, 35675, 37102, 40391, 41825, 43498, 49945, 59150, 71350, 77675, 80782, 83650, 92755, 99890, 108745, 129857, 155350, 185510, 201955, 217490, 241163, 249725, 259714, 282737, 341053, 403910, 463775, 482326, 499450, 543725, 565474, 649285, 682106, 927550, 1009775, 1087450, 1205815, 1298570, 1413685, 1688141, 1705265, 2019550, 2387371, 2411630, 2827370, 3246425, 3376282, 3410530, 4433689, 4774742, 6029075, 6492850, 7068425, 8440705, 8526325, 8867378, 11936855, 12058150, 14136850, 16881410, 17052650, 22168445, 23873710, 31035823, 42203525, 44336890, 57637957, 59684275, 62071646, 84407050, 110842225, 115275914, 119368550, 155179115, 221684450, 288189785, 310358230, 403465699, 576379570, 775895575, 806931398, 1440948925, 1551791150, 2017328495, 2881897850, 4034656990, 10086642475, 20173284950]

約数ペア:

[(1, 20173284950), (2, 10086642475), (5, 4034656990), (7, 2881897850), (10, 2017328495), (13, 1551791150), (14, 1440948925), (25, 806931398), (26, 775895575), (35, 576379570), (50, 403465699), (65, 310358230), (70, 288189785), (91, 221684450), (130, 155179115), (169, 119368550), (175, 115275914), (182, 110842225), (239, 84407050), (325, 62071646), (338, 59684275), (350, 57637957), (455, 44336890), (478, 42203525), (650, 31035823), (845, 23873710), (910, 22168445), (1183, 17052650), (1195, 16881410), (1427, 14136850), (1673, 12058150), (1690, 11936855), (2275, 8867378), (2366, 8526325), (2390, 8440705), (2854, 7068425), (3107, 6492850), (3346, 6029075), (4225, 4774742), (4550, 4433689), (5915, 3410530), (5975, 3376282), (6214, 3246425), (7135, 2827370), (8365, 2411630), (8450, 2387371), (9989, 2019550), (11830, 1705265), (11950, 1688141), (14270, 1413685), (15535, 1298570), (16730, 1205815), (18551, 1087450), (19978, 1009775), (21749, 927550), (29575, 682106), (31070, 649285), (35675, 565474), (37102, 543725), (40391, 499450), (41825, 482326), (43498, 463775), (49945, 403910), (59150, 341053), (71350, 282737), (77675, 259714), (80782, 249725), (83650, 241163), (92755, 217490), (99890, 201955), (108745, 185510), (129857, 155350)]