206977450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 407473920

約数和(自身を除く): 200496470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 223, 446, 475, 950, 977, 1115, 1954, 2230, 4237, 4885, 5575, 8474, 9770, 11150, 18563, 21185, 24425, 37126, 42370, 48850, 92815, 105925, 185630, 211850, 217871, 435742, 464075, 928150, 1089355, 2178710, 4139549, 5446775, 8279098, 10893550, 20697745, 41395490, 103488725, 206977450]

約数ペア:

[(1, 206977450), (2, 103488725), (5, 41395490), (10, 20697745), (19, 10893550), (25, 8279098), (38, 5446775), (50, 4139549), (95, 2178710), (190, 1089355), (223, 928150), (446, 464075), (475, 435742), (950, 217871), (977, 211850), (1115, 185630), (1954, 105925), (2230, 92815), (4237, 48850), (4885, 42370), (5575, 37126), (8474, 24425), (9770, 21185), (11150, 18563)]