209933860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{593}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 456648192

約数和(自身を除く): 246714332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 571, 593, 620, 1142, 1186, 2284, 2372, 2855, 2965, 5710, 5930, 11420, 11860, 17701, 18383, 35402, 36766, 70804, 73532, 88505, 91915, 177010, 183830, 338603, 354020, 367660, 677206, 1354412, 1693015, 3386030, 6772060, 10496693, 20993386, 41986772, 52483465, 104966930, 209933860]

約数ペア:

[(1, 209933860), (2, 104966930), (4, 52483465), (5, 41986772), (10, 20993386), (20, 10496693), (31, 6772060), (62, 3386030), (124, 1693015), (155, 1354412), (310, 677206), (571, 367660), (593, 354020), (620, 338603), (1142, 183830), (1186, 177010), (2284, 91915), (2372, 88505), (2855, 73532), (2965, 70804), (5710, 36766), (5930, 35402), (11420, 18383), (11860, 17701)]