201895450

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 383011200

約数和(自身を除く): 181115750

約数列:

[1, 2, 5, 10, 25, 50, 103, 197, 199, 206, 394, 398, 515, 985, 995, 1030, 1970, 1990, 2575, 4925, 4975, 5150, 9850, 9950, 20291, 20497, 39203, 40582, 40994, 78406, 101455, 102485, 196015, 202910, 204970, 392030, 507275, 512425, 980075, 1014550, 1024850, 1960150, 4037909, 8075818, 20189545, 40379090, 100947725, 201895450]

約数ペア:

[(1, 201895450), (2, 100947725), (5, 40379090), (10, 20189545), (25, 8075818), (50, 4037909), (103, 1960150), (197, 1024850), (199, 1014550), (206, 980075), (394, 512425), (398, 507275), (515, 392030), (985, 204970), (995, 202910), (1030, 196015), (1970, 102485), (1990, 101455), (2575, 78406), (4925, 40994), (4975, 40582), (5150, 39203), (9850, 20497), (9950, 20291)]