210520690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 424258560

約数和(自身を除く): 213737870

約数列:

[1, 2, 5, 10, 17, 31, 34, 43, 62, 85, 86, 155, 170, 215, 310, 430, 527, 731, 929, 1054, 1333, 1462, 1858, 2635, 2666, 3655, 4645, 5270, 6665, 7310, 9290, 13330, 15793, 22661, 28799, 31586, 39947, 45322, 57598, 78965, 79894, 113305, 143995, 157930, 199735, 226610, 287990, 399470, 489583, 679099, 979166, 1238357, 1358198, 2447915, 2476714, 3395495, 4895830, 6191785, 6790990, 12383570, 21052069, 42104138, 105260345, 210520690]

約数ペア:

[(1, 210520690), (2, 105260345), (5, 42104138), (10, 21052069), (17, 12383570), (31, 6790990), (34, 6191785), (43, 4895830), (62, 3395495), (85, 2476714), (86, 2447915), (155, 1358198), (170, 1238357), (215, 979166), (310, 679099), (430, 489583), (527, 399470), (731, 287990), (929, 226610), (1054, 199735), (1333, 157930), (1462, 143995), (1858, 113305), (2635, 79894), (2666, 78965), (3655, 57598), (4645, 45322), (5270, 39947), (6665, 31586), (7310, 28799), (9290, 22661), (13330, 15793)]