42781410040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{1481}}^1$

素因数の和:1901

約数の個数: 128

約数和(自身を含む): 102435840000

約数和(自身を除く): 59654429960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 199, 380, 382, 398, 760, 764, 796, 955, 995, 1481, 1528, 1592, 1910, 1990, 2962, 3629, 3781, 3820, 3980, 5924, 7258, 7405, 7562, 7640, 7960, 11848, 14516, 14810, 15124, 18145, 18905, 28139, 29032, 29620, 30248, 36290, 37810, 38009, 56278, 59240, 72580, 75620, 76018, 112556, 140695, 145160, 151240, 152036, 190045, 225112, 281390, 282871, 294719, 304072, 380090, 562780, 565742, 589438, 722171, 760180, 1125560, 1131484, 1178876, 1414355, 1444342, 1473595, 1520360, 2262968, 2357752, 2828710, 2888684, 2947190, 3610855, 5374549, 5599661, 5657420, 5777368, 5894380, 7221710, 10749098, 11199322, 11314840, 11788760, 14443420, 21498196, 22398644, 26872745, 27998305, 28886840, 42996392, 44797288, 53745490, 55996610, 56291329, 107490980, 111993220, 112582658, 214981960, 223986440, 225165316, 281456645, 450330632, 562913290, 1069535251, 1125826580, 2139070502, 2251653160, 4278141004, 5347676255, 8556282008, 10695352510, 21390705020, 42781410040]

約数ペア:

[(1, 42781410040), (2, 21390705020), (4, 10695352510), (5, 8556282008), (8, 5347676255), (10, 4278141004), (19, 2251653160), (20, 2139070502), (38, 1125826580), (40, 1069535251), (76, 562913290), (95, 450330632), (152, 281456645), (190, 225165316), (191, 223986440), (199, 214981960), (380, 112582658), (382, 111993220), (398, 107490980), (760, 56291329), (764, 55996610), (796, 53745490), (955, 44797288), (995, 42996392), (1481, 28886840), (1528, 27998305), (1592, 26872745), (1910, 22398644), (1990, 21498196), (2962, 14443420), (3629, 11788760), (3781, 11314840), (3820, 11199322), (3980, 10749098), (5924, 7221710), (7258, 5894380), (7405, 5777368), (7562, 5657420), (7640, 5599661), (7960, 5374549), (11848, 3610855), (14516, 2947190), (14810, 2888684), (15124, 2828710), (18145, 2357752), (18905, 2262968), (28139, 1520360), (29032, 1473595), (29620, 1444342), (30248, 1414355), (36290, 1178876), (37810, 1131484), (38009, 1125560), (56278, 760180), (59240, 722171), (72580, 589438), (75620, 565742), (76018, 562780), (112556, 380090), (140695, 304072), (145160, 294719), (151240, 282871), (152036, 281390), (190045, 225112)]