203416580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 439447680

約数和(自身を除く): 236031100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 359, 410, 691, 718, 820, 1382, 1436, 1795, 2764, 3455, 3590, 6910, 7180, 13820, 14719, 28331, 29438, 56662, 58876, 73595, 113324, 141655, 147190, 248069, 283310, 294380, 496138, 566620, 992276, 1240345, 2480690, 4961380, 10170829, 20341658, 40683316, 50854145, 101708290, 203416580]

約数ペア:

[(1, 203416580), (2, 101708290), (4, 50854145), (5, 40683316), (10, 20341658), (20, 10170829), (41, 4961380), (82, 2480690), (164, 1240345), (205, 992276), (359, 566620), (410, 496138), (691, 294380), (718, 283310), (820, 248069), (1382, 147190), (1436, 141655), (1795, 113324), (2764, 73595), (3455, 58876), (3590, 56662), (6910, 29438), (7180, 28331), (13820, 14719)]