201991510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{467}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 430230528

約数和(自身を除く): 228239018

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 167, 185, 259, 334, 370, 467, 518, 835, 934, 1169, 1295, 1670, 2335, 2338, 2590, 3269, 4670, 5845, 6179, 6538, 11690, 12358, 16345, 17279, 30895, 32690, 34558, 43253, 61790, 77989, 86395, 86506, 120953, 155978, 172790, 216265, 241906, 389945, 432530, 545923, 604765, 779890, 1091846, 1209530, 2729615, 2885593, 5459230, 5771186, 14427965, 20199151, 28855930, 40398302, 100995755, 201991510]

約数ペア:

[(1, 201991510), (2, 100995755), (5, 40398302), (7, 28855930), (10, 20199151), (14, 14427965), (35, 5771186), (37, 5459230), (70, 2885593), (74, 2729615), (167, 1209530), (185, 1091846), (259, 779890), (334, 604765), (370, 545923), (467, 432530), (518, 389945), (835, 241906), (934, 216265), (1169, 172790), (1295, 155978), (1670, 120953), (2335, 86506), (2338, 86395), (2590, 77989), (3269, 61790), (4670, 43253), (5845, 34558), (6179, 32690), (6538, 30895), (11690, 17279), (12358, 16345)]