207949540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 449213184

約数和(自身を除く): 241263644

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 367, 410, 691, 734, 820, 1382, 1468, 1835, 2764, 3455, 3670, 6910, 7340, 13820, 15047, 28331, 30094, 56662, 60188, 75235, 113324, 141655, 150470, 253597, 283310, 300940, 507194, 566620, 1014388, 1267985, 2535970, 5071940, 10397477, 20794954, 41589908, 51987385, 103974770, 207949540]

約数ペア:

[(1, 207949540), (2, 103974770), (4, 51987385), (5, 41589908), (10, 20794954), (20, 10397477), (41, 5071940), (82, 2535970), (164, 1267985), (205, 1014388), (367, 566620), (410, 507194), (691, 300940), (734, 283310), (820, 253597), (1382, 150470), (1468, 141655), (1835, 113324), (2764, 75235), (3455, 60188), (3670, 56662), (6910, 30094), (7340, 28331), (13820, 15047)]