207451880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3067}}^1$

素因数の和:3186

約数の個数: 64

約数和(自身を含む): 497016000

約数和(自身を除く): 289564120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3067, 3382, 3560, 6134, 6764, 8455, 12268, 13528, 15335, 16910, 24536, 30670, 33820, 58273, 61340, 67640, 116546, 122680, 233092, 272963, 291365, 466184, 545926, 582730, 1091852, 1165460, 1364815, 2183704, 2330920, 2729630, 5186297, 5459260, 10372594, 10918520, 20745188, 25931485, 41490376, 51862970, 103725940, 207451880]

約数ペア:

[(1, 207451880), (2, 103725940), (4, 51862970), (5, 41490376), (8, 25931485), (10, 20745188), (19, 10918520), (20, 10372594), (38, 5459260), (40, 5186297), (76, 2729630), (89, 2330920), (95, 2183704), (152, 1364815), (178, 1165460), (190, 1091852), (356, 582730), (380, 545926), (445, 466184), (712, 291365), (760, 272963), (890, 233092), (1691, 122680), (1780, 116546), (3067, 67640), (3382, 61340), (3560, 58273), (6134, 33820), (6764, 30670), (8455, 24536), (12268, 16910), (13528, 15335)]