208031380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32203}}^1$

素因数の和:32248

約数の個数: 48

約数和(自身を含む): 486924480

約数和(自身を除く): 278893100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 32203, 64406, 128812, 161015, 322030, 547451, 611857, 644060, 1094902, 1223714, 2189804, 2447428, 2737255, 3059285, 5474510, 6118570, 10401569, 10949020, 12237140, 20803138, 41606276, 52007845, 104015690, 208031380]

約数ペア:

[(1, 208031380), (2, 104015690), (4, 52007845), (5, 41606276), (10, 20803138), (17, 12237140), (19, 10949020), (20, 10401569), (34, 6118570), (38, 5474510), (68, 3059285), (76, 2737255), (85, 2447428), (95, 2189804), (170, 1223714), (190, 1094902), (323, 644060), (340, 611857), (380, 547451), (646, 322030), (1292, 161015), (1615, 128812), (3230, 64406), (6460, 32203)]