877804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{3343}}^1$

素因数の和:4062

約数の個数: 48

約数和(自身を含む): 1943800320

約数和(自身を除く): 1065995380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 691, 1382, 2764, 3343, 3455, 6686, 6910, 13129, 13372, 13820, 16715, 26258, 33430, 52516, 63517, 65645, 66860, 127034, 131290, 254068, 262580, 317585, 635170, 1270340, 2310013, 4620026, 9240052, 11550065, 23100130, 43890247, 46200260, 87780494, 175560988, 219451235, 438902470, 877804940]

約数ペア:

[(1, 877804940), (2, 438902470), (4, 219451235), (5, 175560988), (10, 87780494), (19, 46200260), (20, 43890247), (38, 23100130), (76, 11550065), (95, 9240052), (190, 4620026), (380, 2310013), (691, 1270340), (1382, 635170), (2764, 317585), (3343, 262580), (3455, 254068), (6686, 131290), (6910, 127034), (13129, 66860), (13372, 65645), (13820, 63517), (16715, 52516), (26258, 33430)]