201008420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 446787432

約数和(自身を除く): 245779012

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 73, 74, 122, 146, 148, 185, 244, 292, 305, 365, 370, 610, 730, 740, 1220, 1460, 2257, 2701, 3721, 4453, 4514, 5402, 7442, 8906, 9028, 10804, 11285, 13505, 14884, 17812, 18605, 22265, 22570, 27010, 37210, 44530, 45140, 54020, 74420, 89060, 137677, 164761, 271633, 275354, 329522, 543266, 550708, 659044, 688385, 823805, 1086532, 1358165, 1376770, 1647610, 2716330, 2753540, 3295220, 5432660, 10050421, 20100842, 40201684, 50252105, 100504210, 201008420]

約数ペア:

[(1, 201008420), (2, 100504210), (4, 50252105), (5, 40201684), (10, 20100842), (20, 10050421), (37, 5432660), (61, 3295220), (73, 2753540), (74, 2716330), (122, 1647610), (146, 1376770), (148, 1358165), (185, 1086532), (244, 823805), (292, 688385), (305, 659044), (365, 550708), (370, 543266), (610, 329522), (730, 275354), (740, 271633), (1220, 164761), (1460, 137677), (2257, 89060), (2701, 74420), (3721, 54020), (4453, 45140), (4514, 44530), (5402, 37210), (7442, 27010), (8906, 22570), (9028, 22265), (10804, 18605), (11285, 17812), (13505, 14884)]