239212280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1931}}^1$

素因数の和:2124

約数の個数: 64

約数和(自身を含む): 570326400

約数和(自身を除く): 331114120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 1931, 3097, 3260, 3862, 6194, 6520, 7724, 9655, 12388, 15448, 15485, 19310, 24776, 30970, 36689, 38620, 61940, 73378, 77240, 123880, 146756, 183445, 293512, 314753, 366890, 629506, 733780, 1259012, 1467560, 1573765, 2518024, 3147530, 5980307, 6295060, 11960614, 12590120, 23921228, 29901535, 47842456, 59803070, 119606140, 239212280]

約数ペア:

[(1, 239212280), (2, 119606140), (4, 59803070), (5, 47842456), (8, 29901535), (10, 23921228), (19, 12590120), (20, 11960614), (38, 6295060), (40, 5980307), (76, 3147530), (95, 2518024), (152, 1573765), (163, 1467560), (190, 1259012), (326, 733780), (380, 629506), (652, 366890), (760, 314753), (815, 293512), (1304, 183445), (1630, 146756), (1931, 123880), (3097, 77240), (3260, 73378), (3862, 61940), (6194, 38620), (6520, 36689), (7724, 30970), (9655, 24776), (12388, 19310), (15448, 15485)]