213977810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 443335680

約数和(自身を除く): 229357870

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 2137, 2635, 2945, 3230, 4274, 5270, 5890, 10013, 10685, 20026, 21370, 36329, 40603, 50065, 66247, 72658, 81206, 100130, 132494, 181645, 203015, 331235, 363290, 406030, 662470, 690251, 1126199, 1258693, 1380502, 2252398, 2517386, 3451255, 5630995, 6293465, 6902510, 11261990, 12586930, 21397781, 42795562, 106988905, 213977810]

約数ペア:

[(1, 213977810), (2, 106988905), (5, 42795562), (10, 21397781), (17, 12586930), (19, 11261990), (31, 6902510), (34, 6293465), (38, 5630995), (62, 3451255), (85, 2517386), (95, 2252398), (155, 1380502), (170, 1258693), (190, 1126199), (310, 690251), (323, 662470), (527, 406030), (589, 363290), (646, 331235), (1054, 203015), (1178, 181645), (1615, 132494), (2137, 100130), (2635, 81206), (2945, 72658), (3230, 66247), (4274, 50065), (5270, 40603), (5890, 36329), (10013, 21370), (10685, 20026)]