379702900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 849008160

約数和(自身を除く): 469305260

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 227, 389, 430, 454, 778, 860, 908, 1075, 1135, 1556, 1945, 2150, 2270, 3890, 4300, 4540, 5675, 7780, 9725, 9761, 11350, 16727, 19450, 19522, 22700, 33454, 38900, 39044, 48805, 66908, 83635, 88303, 97610, 167270, 176606, 195220, 244025, 334540, 353212, 418175, 441515, 488050, 836350, 883030, 976100, 1672700, 1766060, 2207575, 3797029, 4415150, 7594058, 8830300, 15188116, 18985145, 37970290, 75940580, 94925725, 189851450, 379702900]

約数ペア:

[(1, 379702900), (2, 189851450), (4, 94925725), (5, 75940580), (10, 37970290), (20, 18985145), (25, 15188116), (43, 8830300), (50, 7594058), (86, 4415150), (100, 3797029), (172, 2207575), (215, 1766060), (227, 1672700), (389, 976100), (430, 883030), (454, 836350), (778, 488050), (860, 441515), (908, 418175), (1075, 353212), (1135, 334540), (1556, 244025), (1945, 195220), (2150, 176606), (2270, 167270), (3890, 97610), (4300, 88303), (4540, 83635), (5675, 66908), (7780, 48805), (9725, 39044), (9761, 38900), (11350, 33454), (16727, 22700), (19450, 19522)]