500805040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19381}}^1$

素因数の和:19430

約数の個数: 80

約数和(自身を含む): 1297818720

約数和(自身を除く): 797013680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 19381, 25840, 38762, 77524, 96905, 155048, 193810, 310096, 329477, 368239, 387620, 658954, 736478, 775240, 1317908, 1472956, 1550480, 1647385, 1841195, 2635816, 2945912, 3294770, 3682390, 5271632, 5891824, 6260063, 6589540, 7364780, 12520126, 13179080, 14729560, 25040252, 26358160, 29459120, 31300315, 50080504, 62600630, 100161008, 125201260, 250402520, 500805040]

約数ペア:

[(1, 500805040), (2, 250402520), (4, 125201260), (5, 100161008), (8, 62600630), (10, 50080504), (16, 31300315), (17, 29459120), (19, 26358160), (20, 25040252), (34, 14729560), (38, 13179080), (40, 12520126), (68, 7364780), (76, 6589540), (80, 6260063), (85, 5891824), (95, 5271632), (136, 3682390), (152, 3294770), (170, 2945912), (190, 2635816), (272, 1841195), (304, 1647385), (323, 1550480), (340, 1472956), (380, 1317908), (646, 775240), (680, 736478), (760, 658954), (1292, 387620), (1360, 368239), (1520, 329477), (1615, 310096), (2584, 193810), (3230, 155048), (5168, 96905), (6460, 77524), (12920, 38762), (19381, 25840)]