262906040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11159}}^1$

素因数の和:11220

約数の個数: 64

約数和(自身を含む): 642816000

約数和(自身を除く): 379909960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11159, 11780, 22318, 23560, 44636, 55795, 89272, 111590, 212021, 223180, 345929, 424042, 446360, 691858, 848084, 1060105, 1383716, 1696168, 1729645, 2120210, 2767432, 3459290, 4240420, 6572651, 6918580, 8480840, 13145302, 13837160, 26290604, 32863255, 52581208, 65726510, 131453020, 262906040]

約数ペア:

[(1, 262906040), (2, 131453020), (4, 65726510), (5, 52581208), (8, 32863255), (10, 26290604), (19, 13837160), (20, 13145302), (31, 8480840), (38, 6918580), (40, 6572651), (62, 4240420), (76, 3459290), (95, 2767432), (124, 2120210), (152, 1729645), (155, 1696168), (190, 1383716), (248, 1060105), (310, 848084), (380, 691858), (589, 446360), (620, 424042), (760, 345929), (1178, 223180), (1240, 212021), (2356, 111590), (2945, 89272), (4712, 55795), (5890, 44636), (11159, 23560), (11780, 22318)]