202010955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 355691520

約数和(自身を除く): 153680565

約数列:

[1, 3, 5, 15, 23, 29, 61, 69, 87, 115, 145, 183, 305, 331, 345, 435, 667, 915, 993, 1403, 1655, 1769, 2001, 3335, 4209, 4965, 5307, 7015, 7613, 8845, 9599, 10005, 20191, 21045, 22839, 26535, 28797, 38065, 40687, 47995, 60573, 100955, 114195, 122061, 143985, 203435, 220777, 302865, 464393, 585539, 610305, 662331, 1103885, 1393179, 1756617, 2321965, 2927695, 3311655, 6965895, 8783085, 13467397, 40402191, 67336985, 202010955]

約数ペア:

[(1, 202010955), (3, 67336985), (5, 40402191), (15, 13467397), (23, 8783085), (29, 6965895), (61, 3311655), (69, 2927695), (87, 2321965), (115, 1756617), (145, 1393179), (183, 1103885), (305, 662331), (331, 610305), (345, 585539), (435, 464393), (667, 302865), (915, 220777), (993, 203435), (1403, 143985), (1655, 122061), (1769, 114195), (2001, 100955), (3335, 60573), (4209, 47995), (4965, 40687), (5307, 38065), (7015, 28797), (7613, 26535), (8845, 22839), (9599, 21045), (10005, 20191)]